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HomeMy WebLinkAbout1.16 StreamstatsFloodplain Development Report for Middle Colorado Agriculture Collaborative Fish Passage Design in New Castle, Colorado 211-020.020 Wright Water Engineers, Inc. Attachments July 2024 D.3 StreamStats Output 8/28/23, 3:34 PM StreamStats https://streamstats.usgs.gov/ss/1/10 StreamStats Report  Collapse All   Basin Characteristics P a r a m e t e r C o d e P a r a m e t e r D e s c r i p t i o n Va l u e U n i t B S L D E M 1 0 M M e a n b a s i n s l o p e c o m p u t e d f r o m 1 0 m D E M 3 0 p e r c e n t C S L 1 0 8 5 L F P C h a n g e i n e l e v a t i o n d i v i d e d b y l e n g t h b e t w e e n p o i n t s 1 0 a n d 8 5 p e r c e n t o f d i s t a n c e a l o n g t h e l o n g e s t f l o w p a t h t o t h e b a s i n d i v i d e , L F P f ro m 2 D g r i d 2 7 2 .6 f e e t p e r m i D R N A R E A A r e a t h a t d r a i n s t o a p o i n t o n a s t r e a m 9 9 .4 s q u a r e m i l e s E L 7 5 0 0 P e r c e n t o f a re a a b o v e 7 5 0 0 f t 8 9 p e r c e n t E L E V M e a n B a s i n E l e v a t i o n 9 1 4 3 f e e t E L E V M A X M a x i m u m b a s i n e l e v a t i o n 1 1 5 0 0 f e e t I 2 4 H 1 0 0 Y M a x i m u m 2 4 -h o u r p r e c i p i t a t i o n t h a t o c c u r s o n a v e r a g e o n c e i n 1 0 0 y e a r s 3 .3 5 i n c h e s I 2 4 H 2 Y M a x i m u m 2 4 -h o u r p r e c i p i t a t i o n t h a t o c c u r s o n a v e r a g e o n c e i n 2 y e a r s - E q u i v a l e n t t o p r e c i p i t a t i o n i n t e n s i t y i n d e x 1 .5 6 i n c h e s I 6 H 1 0 0 Y 6 -h o u r p r e c i p i t a t i o n t h a t i s e x p e c t e d t o o c c u r o n a v e r a g e o n c e i n 1 0 0 y e a r s 2 .1 i n c h e s I 6 H 2 Y M a x i m u m 6 -h o u r p r e c i p i t a t i o n t h a t o c c u r s o n a v e r a g e o n c e i n 2 y e a r s 1 .0 1 i n c h e s L AT _O U T L a t i t u d e o f B a s i n O u t l e t 3 9 .6 3 8 0 5 2 d e g r e e s LC 1 1 B A R E P e r c e n t a g e o f b a r r e n f r o m N LC D 2 0 1 1 c l a s s 3 1 0 .2 p e r c e n t LC 1 1 C R P H AY P e r c e n t a g e o f c u l t i v a t e d c r o p s a n d h a y, c l a s s e s 8 1 a n d 8 2 , f r o m N L C D 2 0 1 1 0 .8 p e r c e n t LC 1 1 D E V P e r c e n t a g e o f d e v e l o p e d (u r b a n ) l a n d f r o m N LC D 2 0 1 1 c l a s s e s 2 1 -2 4 0 .1 p e r c e n t LC 1 1 F O R E S T P e r c e n t a g e o f f o r e s t f r o m N LC D 2 0 1 1 c l a s s e s 4 1 -4 3 6 0 p e r c e n t LC 1 1 G R A S S P e r c e n t o f a re a c o v e r e d b y g r a s s l a n d /h e r b a c e o u s u s i n g 2 0 1 1 N LC D 2 7 .1 p e r c e n t R e g i o n I D :C O W o r k s p a c e I D :C O 2 0 2 3 0 8 2 8 2 1 2 2 4 2 1 5 9 0 0 0 C l i c k e d P o i n t (L a t i t u d e , L o n g i t u d e ):3 9 .6 3 8 0 2 , -1 0 7 .5 7 5 2 0 T i m e :2 0 2 3 -0 8 -2 8 1 5 :2 3 :0 8 -0 6 0 0   8/28/23, 3:34 PM StreamStats https://streamstats.usgs.gov/ss/2/10 P a r a m e t e r C o d e P a r a m e t e r D e s c r i p t i o n Va l u e U n i t LC 1 1 I M P Av e r a g e p e r c e n t a g e o f i m p e r v i o u s a r e a d e t e r m i n e d f r o m N L C D 2 0 1 1 i m p e r v i o u s d a t a s e t 1 p e r c e n t LC 1 1 S H R U B P e r c e n t o f a re a c o v e r e d b y s h r u b l a n d u s i n g 2 0 1 1 N L C D 6 .3 p e r c e n t LC 1 1 S N O I C P e r c e n t s n o w a n d i c e f r o m N LC D 2 0 1 1 c l a s s 1 2 0 p e r c e n t LC 1 1 WAT E R P e r c e n t o f o p e n w a t e r, c l a s s 1 1 , f r o m N L C D 2 0 1 1 0 .1 p e r c e n t LC 1 1 W E T L N D P e r c e n t a g e o f w e t l a n d s , c l a s s e s 9 0 a n d 9 5 , f r o m N LC D 2 0 1 1 1 p e r c e n t L F P L E N G T H L e n g t h o f l o n g e s t f l o w p a t h 2 0 .2 m i l e s LO N G _O U T L o n g i t u d e o f B a s i n O u t l e t -1 0 7 .5 7 5 1 5 9 d e g r e e s M I N B E L E V M i n i m u m b a s i n e l e v a t i o n 5 9 2 0 f e e t O U T L E T E L E V E l e v a t i o n o f t h e s t r e a m o u t l e t i n f e e t a b o v e N AV D 8 8 5 9 1 7 f e e t P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .7 i n c h e s R C N R u n o f f -c u r v e n u m b e r a s d e f i n e d b y N R C S (h t t p ://p o l i c y.n r c s .u s d a .g o v /O p e n N o n W e b C o n t e n t .a s p x ?c o n t e n t =1 7 7 5 8 .w b a ) 7 5 d i m e n s i o n l e s s R U N C O _C O S o i l r u n o f f c o e f f i c i e n t a s d e f i n e d b y V e r d i n a n d G r o s s (2 0 1 7 )0 .4 1 d i m e n s i o n l e s s S S U R G O A P e r c e n t a g e o f a r e a o f H y d r o l o g i c S o i l Ty p e A f ro m S S U R G O 0 .1 3 p e r c e n t S S U R G O B P e r c e n t a g e o f a r e a o f H y d r o l o g i c S o i l Ty p e B f r o m S S U R G O 0 .2 3 p e r c e n t S S U R G O C P e r c e n t a g e o f a r e a o f H y d r o l o g i c S o i l Ty p e C f r o m S S U R G O 1 .6 p e r c e n t S S U R G O D P e r c e n t a g e o f a r e a o f H y d r o l o g i c S o i l Ty p e D f r o m S S U R G O 2 .4 2 p e r c e n t S TAT S C L AY P e r c e n t a g e o f c l a y s o i l s f r o m S TAT S G O 2 5 .7 8 p e r c e n t S T O R N H D P e r c e n t s t o ra g e (w e t l a n d s a n d w a t e r b o d i e s ) d e t e r m i n e d f r o m 1 :2 4 K N H D 0 .1 p e r c e n t T O C T i m e o f c o n c e n t ra t i o n i n h o u r s 4 .7 1 h o u r s   Peak-Flow Statistics Peak-Flow Statistics Parameters  [89.3 Percent (88.7 square miles) Mountain Region Peak Flow] P a r a m e t e r C o d e P a r a m e t e r N a m e Va l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D ra i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 1 0 6 0 B S L D E M 1 0 M M e a n B a s i n S l o p e f r o m 1 0 m D E M 3 0 p e r c e n t 7 .6 6 0 .2 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .7 i n c h e s 1 8 4 7 Peak-Flow Statistics Parameters  [10.8 Percent (10.7 square miles) Northwest Region Peak Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 5 2 5 0 E L 7 5 0 0 P e r c e n t a b o v e 7 5 0 0 f t 8 9 p e r c e n t 0 9 9 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .7 i n c h e s 8 4 9 Peak-Flow Statistics Flow Report  [89.3 Percent (88.7 square miles) Mountain Region Peak Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p 5 0 -p e r c e n t A E P f l o o d 8 1 5 f t ^3 /s 4 9 2 0 -p e r c e n t A E P f l o o d 1 1 0 0 f t ^3 /s 4 4  8/28/23, 3:34 PM StreamStats https://streamstats.usgs.gov/ss/3/10 S t a t i s t i c Va l u e U n i t A S E p 1 0 -p e r c e n t A E P f l o o d 1 2 9 0 f t ^3 /s 4 1 4 -p e r c e n t A E P f l o o d 1 4 5 0 f t ^3 /s 4 0 2 -p e r c e n t A E P f l o o d 1 7 0 0 f t ^3 /s 3 9 1 -p e r c e n t A E P f l o o d 1 8 7 0 f t ^3 /s 3 6 0 .5 -p e r c e n t A E P f l o o d 2 0 0 0 f t ^3 /s 3 6 0 .2 -p e r c e n t A E P f l o o d 2 2 4 0 f t ^3 /s 3 3 Peak-Flow Statistics Flow Report  [10.8 Percent (10.7 square miles) Northwest Region Peak Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p 5 0 -p e r c e n t A E P f l o o d 5 9 4 f t ^3 /s 1 1 3 2 0 -p e r c e n t A E P f l o o d 9 4 4 f t ^3 /s 8 8 1 0 -p e r c e n t A E P f l o o d 1 1 6 0 f t ^3 /s 7 9 4 -p e r c e n t A E P f l o o d 1 4 9 0 f t ^3 /s 7 4 2 -p e r c e n t A E P f l o o d 1 7 2 0 f t ^3 /s 7 4 1 -p e r c e n t A E P f l o o d 2 0 0 0 f t ^3 /s 7 5 0 .5 -p e r c e n t A E P f l o o d 2 1 8 0 f t ^3 /s 7 6 0 .2 -p e r c e n t A E P f l o o d 2 5 7 0 f t ^3 /s 7 9 Peak-Flow Statistics Flow Report  [Area-Averaged] S t a t i s t i c Va l u e U n i t 5 0 -p e r c e n t A E P f l o o d 7 9 1 f t ^3 /s 2 0 -p e r c e n t A E P f l o o d 1 0 8 0 f t ^3 /s 1 0 -p e r c e n t A E P f l o o d 1 2 8 0 f t ^3 /s 4 -p e r c e n t A E P f l o o d 1 4 5 0 f t ^3 /s 2 -p e r c e n t A E P f l o o d 1 7 0 0 f t ^3 /s 1 -p e r c e n t A E P f l o o d 1 8 8 0 f t ^3 /s 0 .5 -p e r c e n t A E P f l o o d 2 0 2 0 f t ^3 /s 0 .2 -p e r c e n t A E P f l o o d 2 2 8 0 f t ^3 /s Peak-Flow Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u r a l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Flood-Volume Statistics Flood-Volume Statistics Parameters  [89.3 Percent (88.7 square miles) Mountain Region Max Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 1 0 6 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .7 i n c h e s 1 8 4 7  8/28/23, 3:34 PM StreamStats https://streamstats.usgs.gov/ss/4/10 Flood-Volume Statistics Parameters  [10.8 Percent (10.7 square miles) Northwest Region Max Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 5 5 2 5 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .7 i n c h e s 8 4 9 E L 7 5 0 0 P e r c e n t a b o v e 7 5 0 0 f t 8 9 p e r c e n t 0 9 9 Flood-Volume Statistics Flow Report  [89.3 Percent (88.7 square miles) Mountain Region Max Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c V a l u e U n i t A S E p 7 D a y 2 Y e a r M a x i m u m 5 8 9 f t ^3 /s 4 6 7 D a y 1 0 Y e a r M a x i m u m 9 7 6 f t ^3 /s 3 5 7 D a y 5 0 Y e a r M a x i m u m 1 3 0 0 f t ^3 /s 3 1 Flood-Volume Statistics Flow Report  [10.8 Percent (10.7 square miles) Northwest Region Max Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c V a l u e U n i t A S E p 7 D a y 2 Y e a r M a x i m u m 5 1 8 f t ^3 /s 8 6 7 D a y 1 0 Y e a r M a x i m u m 8 5 1 f t ^3 /s 5 9 7 D a y 5 0 Y e a r M a x i m u m 1 2 1 0 f t ^3 /s 5 1 Flood-Volume Statistics Flow Report  [Area-Averaged] S t a t i s t i c Va l u e U n i t 7 D a y 2 Y e a r M a x i m u m 5 8 1 f t ^3 /s 7 D a y 1 0 Y e a r M a x i m u m 9 6 3 f t ^3 /s 7 D a y 5 0 Y e a r M a x i m u m 1 2 9 0 f t ^3 /s Flood-Volume Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u r a l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Low-Flow Statistics Low-Flow Statistics Parameters  [89.3 Percent (88.7 square miles) Mountain Region Min Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 1 0 6 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .7 i n c h e s 1 8 4 7 E L E V M e a n B a s i n E l e v a t i o n 9 1 4 3 f e e t 8 6 0 0 1 2 0 0 0 Low-Flow Statistics Parameters  [10.8 Percent (10.7 square miles) Northwest Region Min Flow] P a r a m e t e r C o d e P a r a m e t e r N a m e Va l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 5 5 2 5 0 E L E V M e a n B a s i n E l e v a t i o n 9 1 4 3 f e e t 6 8 8 0 1 0 4 8 0  8/28/23, 3:34 PM StreamStats https://streamstats.usgs.gov/ss/5/10 Low-Flow Statistics Flow Report  [89.3 Percent (88.7 square miles) Mountain Region Min Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c V a l u e U n i t A S E p 7 D a y 2 Y e a r L o w F l o w 5 .7 6 f t ^3 /s 8 9 7 D a y 1 0 Y e a r L o w F l o w 3 .4 2 f t ^3 /s 1 5 3 7 D a y 5 0 Y e a r L o w F l o w 4 .6 8 f t ^3 /s 1 2 6 Low-Flow Statistics Flow Report  [10.8 Percent (10.7 square miles) Northwest Region Min Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c V a l u e U n i t A S E p 7 D a y 2 Y e a r L o w F l o w 6 .8 4 f t ^3 /s 2 1 2 7 D a y 1 0 Y e a r L o w F l o w 3 .9 f t ^3 /s 2 8 0 7 D a y 5 0 Y e a r L o w F l o w 2 .8 4 f t ^3 /s 3 3 8 Low-Flow Statistics Flow Report  [Area-Averaged] S t a t i s t i c Va l u e U n i t 7 D a y 2 Y e a r L o w F l o w 5 .8 8 f t ^3 /s 7 D a y 1 0 Y e a r L o w F l o w 3 .4 7 f t ^3 /s 7 D a y 5 0 Y e a r L o w F l o w 4 .4 8 f t ^3 /s Low-Flow Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u r a l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Flow-Duration Statistics Flow-Duration Statistics Parameters  [89.3 Percent (88.7 square miles) Mountain Region Flow Duration] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 1 0 6 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .7 i n c h e s 1 8 4 7 Flow-Duration Statistics Parameters  [10.8 Percent (10.7 square miles) Northwest Region Flow Duration] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 5 2 5 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .7 i n c h e s 8 4 9 Flow-Duration Statistics Flow Report  [89.3 Percent (88.7 square miles) Mountain Region Flow Duration] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c V a l u e U n i t A S E p 1 0 P e r c e n t D u r a t i o n 2 9 5 f t ^3 /s 4 5 2 5 P e r c e n t D u r a t i o n 8 7 f t ^3 /s 5 5 5 0 P e r c e n t D u r a t i o n 3 1 .9 f t ^3 /s 5 5  8/28/23, 3:34 PM StreamStats https://streamstats.usgs.gov/ss/6/10 S t a t i s t i c V a l u e U n i t A S E p 7 5 P e r c e n t D u r a t i o n 1 8 .6 f t ^3 /s 6 4 9 0 P e r c e n t D u r a t i o n 1 3 .3 f t ^3 /s 8 5 Flow-Duration Statistics Flow Report  [10.8 Percent (10.7 square miles) Northwest Region Flow Duration] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c V a l u e U n i t A S E p 1 0 P e r c e n t D u r a t i o n 2 3 8 f t ^3 /s 7 3 2 5 P e r c e n t D u r a t i o n 6 6 .3 f t ^3 /s 7 7 5 0 P e r c e n t D u r a t i o n 2 7 .9 f t ^3 /s 8 3 7 5 P e r c e n t D u r a t i o n 1 5 .9 f t ^3 /s 1 0 0 9 0 P e r c e n t D u r a t i o n 1 0 .1 f t ^3 /s 1 5 4 Flow-Duration Statistics Flow Report  [Area-Averaged] S t a t i s t i c V a l u e U n i t 1 0 P e r c e n t D u r a t i o n 2 8 9 f t ^3 /s 2 5 P e r c e n t D u r a t i o n 8 4 .8 f t ^3 /s 5 0 P e r c e n t D u r a t i o n 3 1 .5 f t ^3 /s 7 5 P e r c e n t D u r a t i o n 1 8 .3 f t ^3 /s 9 0 P e r c e n t D u r a t i o n 1 3 f t ^3 /s Flow-Duration Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u r a l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Annual Flow Statistics Annual Flow Statistics Parameters  [89.3 Percent (88.7 square miles) Mountain Region Mean Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 1 0 6 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .7 i n c h e s 1 8 4 7 Annual Flow Statistics Parameters  [10.8 Percent (10.7 square miles) Northwest Region Mean Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 5 2 5 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .7 i n c h e s 8 4 9 Annual Flow Statistics Flow Report  [89.3 Percent (88.7 square miles) Mountain Region Mean Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p M e a n A n n u a l F l o w 1 0 3 f t ^3 /s 3 3  8/28/23, 3:34 PM StreamStats https://streamstats.usgs.gov/ss/7/10 Annual Flow Statistics Flow Report  [10.8 Percent (10.7 square miles) Northwest Region Mean Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p M e a n A n n u a l F l o w 7 9 .6 f t ^3 /s 5 5 Annual Flow Statistics Flow Report  [Area-Averaged] S t a t i s t i c Va l u e U n i t M e a n A n n u a l F l o w 1 0 0 f t ^3 /s Annual Flow Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u r a l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Monthly Flow Statistics Monthly Flow Statistics Parameters  [89.3 Percent (88.7 square miles) Mountain Region Mean Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 1 0 6 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .7 i n c h e s 1 8 4 7 Monthly Flow Statistics Parameters  [10.8 Percent (10.7 square miles) Northwest Region Mean Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 5 2 5 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .7 i n c h e s 8 4 9 Monthly Flow Statistics Flow Report  [89.3 Percent (88.7 square miles) Mountain Region Mean Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p J a n u a r y M e a n F l o w 2 2 .1 f t ^3 /s 5 0 F e b r u a r y M e a n F l o w 2 0 .4 f t ^3 /s 5 1 M a r c h M e a n F l o w 2 3 .9 f t ^3 /s 4 9 A p r i l M e a n F l o w 6 1 .5 f t ^3 /s 4 4 M a y M e a n F l o w 2 7 5 f t ^3 /s 4 6 J u n e M e a n F l o w 4 2 6 f t ^3 /s 4 6 J u l y M e a n F l o w 1 6 8 f t ^3 /s 7 6 A u g u s t M e a n F l o w 6 8 .4 f t ^3 /s 8 0 S e p t e m b e r M e a n F l o w 4 6 .7 f t ^3 /s 5 9 O c t o b e r M e a n F l o w 4 1 .6 f t ^3 /s 4 5 N o v e m b e r M e a n F l o w 3 0 .9 f t ^3 /s 4 6 D e c e m b e r M e a n F l o w 2 3 .9 f t ^3 /s 4 7  8/28/23, 3:34 PM StreamStats https://streamstats.usgs.gov/ss/8/10 Monthly Flow Statistics Flow Report  [10.8 Percent (10.7 square miles) Northwest Region Mean Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p J a n u a r y M e a n F l o w 2 0 f t ^3 /s 8 5 F e b r u a r y M e a n F l o w 2 1 .9 f t ^3 /s 7 7 M a r c h M e a n F l o w 2 6 .9 f t ^3 /s 6 8 A p r i l M e a n F l o w 7 5 .9 f t ^3 /s 8 4 M a y M e a n F l o w 3 0 3 f t ^3 /s 7 1 J u n e M e a n F l o w 2 5 6 f t ^3 /s 8 0 J u l y M e a n F l o w 8 4 .4 f t ^3 /s 7 5 A u g u s t M e a n F l o w 4 1 .7 f t ^3 /s 9 0 S e p t e m b e r M e a n F l o w 3 5 f t ^3 /s 1 0 4 O c t o b e r M e a n F l o w 3 2 .4 f t ^3 /s 9 4 N o v e m b e r M e a n F l o w 2 5 .7 f t ^3 /s 8 3 D e c e m b e r M e a n F l o w 1 9 .9 f t ^3 /s 7 9 Monthly Flow Statistics Flow Report  [Area-Averaged] S t a t i s t i c V a l u e U n i t J a n u a r y M e a n F l o w 2 1 .9 f t ^3 /s F e b r u a r y M e a n F l o w 2 0 .6 f t ^3 /s M a r c h M e a n F l o w 2 4 .2 f t ^3 /s A p r i l M e a n F l o w 6 3 f t ^3 /s M a y M e a n F l o w 2 7 8 f t ^3 /s J u n e M e a n F l o w 4 0 8 f t ^3 /s J u l y M e a n F l o w 1 5 9 f t ^3 /s A u g u s t M e a n F l o w 6 5 .5 f t ^3 /s S e p t e m b e r M e a n F l o w 4 5 .4 f t ^3 /s O c t o b e r M e a n F l o w 4 0 .6 f t ^3 /s N o v e m b e r M e a n F l o w 3 0 .3 f t ^3 /s D e c e m b e r M e a n F l o w 2 3 .5 f t ^3 /s Monthly Flow Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u r a l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Bankfull Statistics Bankfull Statistics Parameters  [Rocky Mountain System D Bieger 2015] P a r a m e t e r C o d e P a r a m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D ra i n a g e A r e a 9 9 .4 s q u a r e m i l e s 0 .1 5 4 4 4 9 7 3 0 .1 0 6 1  8/28/23, 3:34 PM StreamStats https://streamstats.usgs.gov/ss/9/10 Bankfull Statistics Parameters  [Southern Rocky Mountains P Bieger 2015] P a r a m e t e r C o d e P a r a m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 .5 4 0 5 3 9 9 7 2 9 .9 4 3 9 3 8 Bankfull Statistics Parameters  [USA Bieger 2015] P a r a m e t e r C o d e P a r a m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D ra i n a g e A r e a 9 9 .4 s q u a r e m i l e s 0 .0 7 7 2 2 5 9 9 2 7 .7 3 9 3 Bankfull Statistics Flow Report  [Rocky Mountain System D Bieger 2015] S t a t i s t i c V a l u e U n i t B i e g e r _D _c h a n n e l _w i d t h 4 5 .5 f t B i e g e r _D _c h a n n e l _d e p t h 2 .6 3 f t B i e g e r _D _c h a n n e l _c r o s s _s e c t i o n a l _a r e a 9 8 f t ^2 Bankfull Statistics Flow Report  [Southern Rocky Mountains P Bieger 2015] S t a t i s t i c Va l u e U n i t B i e g e r _P _c h a n n e l _w i d t h 4 0 .1 f t B i e g e r _P _c h a n n e l _d e p t h 1 .8 9 f t B i e g e r _P _c h a n n e l _c r o s s _s e c t i o n a l _a r e a 6 5 .3 f t ^2 Bankfull Statistics Flow Report  [USA Bieger 2015] S t a t i s t i c V a l u e U n i t B i e g e r _U S A _c h a n n e l _w i d t h 6 2 .5 f t B i e g e r _U S A _c h a n n e l _d e p t h 3 .2 1 f t B i e g e r _U S A _c h a n n e l _c r o s s _s e c t i o n a l _a r e a 2 0 5 f t ^2 Bankfull Statistics Flow Report  [Area-Averaged] S t a t i s t i c V a l u e U n i t B i e g e r _D _c h a n n e l _w i d t h 4 5 .5 f t B i e g e r _D _c h a n n e l _d e p t h 2 .6 3 f t B i e g e r _D _c h a n n e l _c r o s s _s e c t i o n a l _a r e a 9 8 f t ^2 B i e g e r _P _c h a n n e l _w i d t h 4 0 .1 f t B i e g e r _P _c h a n n e l _d e p t h 1 .8 9 f t B i e g e r _P _c h a n n e l _c r o s s _s e c t i o n a l _a r e a 6 5 .3 f t ^2 B i e g e r _U S A _c h a n n e l _w i d t h 6 2 .5 f t B i e g e r _U S A _c h a n n e l _d e p t h 3 .2 1 f t B i e g e r _U S A _c h a n n e l _c r o s s _s e c t i o n a l _a r e a 2 0 5 f t ^2 Bankfull Statistics Citations B i e g e r, K a t r i n ; R a t h j e n s , H e n d r i k ; A l l e n , P e t e r M .; a n d A r n o l d , J e f f r e y G .,2 0 1 5 , D e v e l o p m e n t a n d E v a l u a t i o n o f B a n k f u l l H y d r a u l i c G e o m e t r y R e l a t i o n s h i p s f o r t h e P h y s i o g r a p h i c R e g i o n s o f t h e U n i t e d S t a t e s , P u b l i c a t i o n s f r o m U S D A -A R S / U N L F a c u l t y, 1 7 p . (h t t p s ://d i g i t a l c o m m o n s .u n l .e d u /u s d a a r s f a c p u b /1 5 1 5 ? u t m _s o u r c e =d i g i t a l c o m m o n s .u n l .e d u %2 F u s d a a r s f a c p u b %2 F 1 5 1 5 &u t m _m e d i u m =P D F &u t m _c a m p a i g n =P D F C o v e r P a g e s ) 8/28/23, 3:34 PM StreamStats https://streamstats.usgs.gov/ss/10/10   Maximum Probable Flood Statistics Maximum Probable Flood Statistics Parameters  [Crippen Bue Region 13] P a r a m e t e r C o d e P a r a m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 0 .1 1 0 0 0 0 Maximum Probable Flood Statistics Flow Report  [Crippen Bue Region 13] S t a t i s t i c V a l u e U n i t M a x i m u m F l o o d C r i p p e n B u e R e g i o n a l 9 5 7 0 0 f t ^3 /s Maximum Probable Flood Statistics Citations C r i p p e n , J .R . a n d B u e , C o n ra d D.1 9 7 7 , M a x i m u m F l o o d f l o w s i n t h e C o n t e r m i n o u s U n i t e d S t a t e s , G e o l o g i c a l S u r v e y W a t e r - S u p p l y P a p e r 1 8 8 7 , 5 2 p . (h t t p s ://p u b s .u s g s .g o v /w s p /1 8 8 7 /r e p o r t .p d f ) USGS Data Disclaimer: Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data for other purposes, nor on all computer systems, nor shall the act of distribution constitute any such warranty. USGS Software Disclaimer: This software has been approved for release by the U.S. Geological Survey (USGS). Although the software has been subjected to rigorous review, the USGS reserves the right to update the software as needed pursuant to further analysis and review. No warranty, expressed or implied, is made by the USGS or the U.S. Government as to the functionality of the software and related material nor shall the fact of release constitute any such warranty. Furthermore, the software is released on condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use. USGS Product Names Disclaimer : Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Application Version: 4.16.1 StreamStats Services Version: 1.2.22 NSS Services Version: 2.2.1  8/28/23, 3:20 PM StreamStats https://streamstats.usgs.gov/ss/1/10 StreamStats Report  Collapse All   Basin Characteristics P a r a m e t e r C o d e P a r a m e t e r D e s c r i p t i o n Va l u e U n i t B S L D E M 1 0 M M e a n b a s i n s l o p e c o m p u t e d f r o m 1 0 m D E M 3 0 p e r c e n t C S L 1 0 8 5 L F P C h a n g e i n e l e v a t i o n d i v i d e d b y l e n g t h b e t w e e n p o i n t s 1 0 a n d 8 5 p e r c e n t o f d i s t a n c e a l o n g t h e l o n g e s t f l o w p a t h t o t h e b a s i n d i v i d e , L F P f ro m 2 D g r i d 2 7 1 .9 f e e t p e r m i D R N A R E A A r e a t h a t d r a i n s t o a p o i n t o n a s t r e a m 9 9 .4 s q u a r e m i l e s E L 7 5 0 0 P e r c e n t o f a re a a b o v e 7 5 0 0 f t 8 9 p e r c e n t E L E V M e a n B a s i n E l e v a t i o n 9 1 4 3 f e e t E L E V M A X M a x i m u m b a s i n e l e v a t i o n 1 1 5 0 0 f e e t I 2 4 H 1 0 0 Y M a x i m u m 2 4 -h o u r p r e c i p i t a t i o n t h a t o c c u r s o n a v e r a g e o n c e i n 1 0 0 y e a r s 3 .3 5 i n c h e s I 2 4 H 2 Y M a x i m u m 2 4 -h o u r p r e c i p i t a t i o n t h a t o c c u r s o n a v e r a g e o n c e i n 2 y e a r s - E q u i v a l e n t t o p r e c i p i t a t i o n i n t e n s i t y i n d e x 1 .5 6 i n c h e s I 6 H 1 0 0 Y 6 -h o u r p r e c i p i t a t i o n t h a t i s e x p e c t e d t o o c c u r o n a v e r a g e o n c e i n 1 0 0 y e a r s 2 .1 i n c h e s I 6 H 2 Y M a x i m u m 6 -h o u r p r e c i p i t a t i o n t h a t o c c u r s o n a v e r a g e o n c e i n 2 y e a r s 1 .0 1 i n c h e s L AT _O U T L a t i t u d e o f B a s i n O u t l e t 3 9 .6 3 7 4 9 4 d e g r e e s LC 1 1 B A R E P e r c e n t a g e o f b a r r e n f r o m N LC D 2 0 1 1 c l a s s 3 1 0 .2 p e r c e n t LC 1 1 C R P H AY P e r c e n t a g e o f c u l t i v a t e d c r o p s a n d h a y, c l a s s e s 8 1 a n d 8 2 , f r o m N L C D 2 0 1 1 0 .8 p e r c e n t LC 1 1 D E V P e r c e n t a g e o f d e v e l o p e d (u r b a n ) l a n d f r o m N LC D 2 0 1 1 c l a s s e s 2 1 -2 4 0 .1 p e r c e n t LC 1 1 F O R E S T P e r c e n t a g e o f f o r e s t f r o m N LC D 2 0 1 1 c l a s s e s 4 1 -4 3 6 0 p e r c e n t LC 1 1 G R A S S P e r c e n t o f a re a c o v e r e d b y g r a s s l a n d /h e r b a c e o u s u s i n g 2 0 1 1 N LC D 2 7 .1 p e r c e n t R e g i o n I D :C O W o r k s p a c e I D :C O 2 0 2 3 0 8 2 8 2 1 1 6 2 9 8 0 8 0 0 0 C l i c k e d P o i n t (L a t i t u d e , L o n g i t u d e ):3 9 .6 3 7 4 6 , -1 0 7 .5 7 5 9 9 T i m e :2 0 2 3 -0 8 -2 8 1 5 :1 6 :5 4 -0 6 0 0   8/28/23, 3:20 PM StreamStats https://streamstats.usgs.gov/ss/2/10 P a r a m e t e r C o d e P a r a m e t e r D e s c r i p t i o n Va l u e U n i t LC 1 1 I M P Av e r a g e p e r c e n t a g e o f i m p e r v i o u s a r e a d e t e r m i n e d f r o m N L C D 2 0 1 1 i m p e r v i o u s d a t a s e t 1 p e r c e n t LC 1 1 S H R U B P e r c e n t o f a re a c o v e r e d b y s h r u b l a n d u s i n g 2 0 1 1 N L C D 6 .3 p e r c e n t LC 1 1 S N O I C P e r c e n t s n o w a n d i c e f r o m N LC D 2 0 1 1 c l a s s 1 2 0 p e r c e n t LC 1 1 WAT E R P e r c e n t o f o p e n w a t e r, c l a s s 1 1 , f r o m N L C D 2 0 1 1 0 .1 p e r c e n t LC 1 1 W E T L N D P e r c e n t a g e o f w e t l a n d s , c l a s s e s 9 0 a n d 9 5 , f r o m N LC D 2 0 1 1 1 p e r c e n t L F P L E N G T H L e n g t h o f l o n g e s t f l o w p a t h 2 0 .2 m i l e s LO N G _O U T L o n g i t u d e o f B a s i n O u t l e t -1 0 7 .5 7 5 9 5 4 d e g r e e s M I N B E L E V M i n i m u m b a s i n e l e v a t i o n 5 9 1 0 f e e t O U T L E T E L E V E l e v a t i o n o f t h e s t r e a m o u t l e t i n f e e t a b o v e N AV D 8 8 5 9 1 0 f e e t P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .6 9 i n c h e s R C N R u n o f f -c u r v e n u m b e r a s d e f i n e d b y N R C S (h t t p ://p o l i c y.n r c s .u s d a .g o v /O p e n N o n W e b C o n t e n t .a s p x ?c o n t e n t =1 7 7 5 8 .w b a ) 7 4 .9 9 d i m e n s i o n l e s s R U N C O _C O S o i l r u n o f f c o e f f i c i e n t a s d e f i n e d b y V e r d i n a n d G r o s s (2 0 1 7 )0 .4 1 d i m e n s i o n l e s s S S U R G O A P e r c e n t a g e o f a r e a o f H y d r o l o g i c S o i l Ty p e A f ro m S S U R G O 0 .1 3 p e r c e n t S S U R G O B P e r c e n t a g e o f a r e a o f H y d r o l o g i c S o i l Ty p e B f r o m S S U R G O 0 .2 3 p e r c e n t S S U R G O C P e r c e n t a g e o f a r e a o f H y d r o l o g i c S o i l Ty p e C f r o m S S U R G O 1 .6 1 p e r c e n t S S U R G O D P e r c e n t a g e o f a r e a o f H y d r o l o g i c S o i l Ty p e D f r o m S S U R G O 2 .4 2 p e r c e n t S TAT S C L AY P e r c e n t a g e o f c l a y s o i l s f r o m S TAT S G O 2 5 .7 8 p e r c e n t S T O R N H D P e r c e n t s t o ra g e (w e t l a n d s a n d w a t e r b o d i e s ) d e t e r m i n e d f r o m 1 :2 4 K N H D 0 .1 p e r c e n t T O C T i m e o f c o n c e n t ra t i o n i n h o u r s 4 .7 2 h o u r s   Peak-Flow Statistics Peak-Flow Statistics Parameters  [89.2 Percent (88.7 square miles) Mountain Region Peak Flow] P a r a m e t e r C o d e P a r a m e t e r N a m e Va l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D ra i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 1 0 6 0 B S L D E M 1 0 M M e a n B a s i n S l o p e f r o m 1 0 m D E M 3 0 p e r c e n t 7 .6 6 0 .2 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .6 9 i n c h e s 1 8 4 7 Peak-Flow Statistics Parameters  [10.8 Percent (10.7 square miles) Northwest Region Peak Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 5 2 5 0 E L 7 5 0 0 P e r c e n t a b o v e 7 5 0 0 f t 8 9 p e r c e n t 0 9 9 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .6 9 i n c h e s 8 4 9 Peak-Flow Statistics Flow Report  [89.2 Percent (88.7 square miles) Mountain Region Peak Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p 5 0 -p e r c e n t A E P f l o o d 8 1 5 f t ^3 /s 4 9 2 0 -p e r c e n t A E P f l o o d 1 1 0 0 f t ^3 /s 4 4  8/28/23, 3:20 PM StreamStats https://streamstats.usgs.gov/ss/3/10 S t a t i s t i c Va l u e U n i t A S E p 1 0 -p e r c e n t A E P f l o o d 1 2 9 0 f t ^3 /s 4 1 4 -p e r c e n t A E P f l o o d 1 4 5 0 f t ^3 /s 4 0 2 -p e r c e n t A E P f l o o d 1 7 0 0 f t ^3 /s 3 9 1 -p e r c e n t A E P f l o o d 1 8 7 0 f t ^3 /s 3 6 0 .5 -p e r c e n t A E P f l o o d 2 0 0 0 f t ^3 /s 3 6 0 .2 -p e r c e n t A E P f l o o d 2 2 4 0 f t ^3 /s 3 3 Peak-Flow Statistics Flow Report  [10.8 Percent (10.7 square miles) Northwest Region Peak Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p 5 0 -p e r c e n t A E P f l o o d 5 9 4 f t ^3 /s 1 1 3 2 0 -p e r c e n t A E P f l o o d 9 4 3 f t ^3 /s 8 8 1 0 -p e r c e n t A E P f l o o d 1 1 6 0 f t ^3 /s 7 9 4 -p e r c e n t A E P f l o o d 1 4 9 0 f t ^3 /s 7 4 2 -p e r c e n t A E P f l o o d 1 7 2 0 f t ^3 /s 7 4 1 -p e r c e n t A E P f l o o d 2 0 0 0 f t ^3 /s 7 5 0 .5 -p e r c e n t A E P f l o o d 2 1 8 0 f t ^3 /s 7 6 0 .2 -p e r c e n t A E P f l o o d 2 5 7 0 f t ^3 /s 7 9 Peak-Flow Statistics Flow Report  [Area-Averaged] S t a t i s t i c Va l u e U n i t 5 0 -p e r c e n t A E P f l o o d 7 9 1 f t ^3 /s 2 0 -p e r c e n t A E P f l o o d 1 0 8 0 f t ^3 /s 1 0 -p e r c e n t A E P f l o o d 1 2 8 0 f t ^3 /s 4 -p e r c e n t A E P f l o o d 1 4 5 0 f t ^3 /s 2 -p e r c e n t A E P f l o o d 1 7 0 0 f t ^3 /s 1 -p e r c e n t A E P f l o o d 1 8 8 0 f t ^3 /s 0 .5 -p e r c e n t A E P f l o o d 2 0 2 0 f t ^3 /s 0 .2 -p e r c e n t A E P f l o o d 2 2 8 0 f t ^3 /s Peak-Flow Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u r a l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Flood-Volume Statistics Flood-Volume Statistics Parameters  [89.2 Percent (88.7 square miles) Mountain Region Max Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 1 0 6 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .6 9 i n c h e s 1 8 4 7  8/28/23, 3:20 PM StreamStats https://streamstats.usgs.gov/ss/4/10 Flood-Volume Statistics Parameters  [10.8 Percent (10.7 square miles) Northwest Region Max Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 5 5 2 5 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .6 9 i n c h e s 8 4 9 E L 7 5 0 0 P e r c e n t a b o v e 7 5 0 0 f t 8 9 p e r c e n t 0 9 9 Flood-Volume Statistics Flow Report  [89.2 Percent (88.7 square miles) Mountain Region Max Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c V a l u e U n i t A S E p 7 D a y 2 Y e a r M a x i m u m 5 8 9 f t ^3 /s 4 6 7 D a y 1 0 Y e a r M a x i m u m 9 7 6 f t ^3 /s 3 5 7 D a y 5 0 Y e a r M a x i m u m 1 3 0 0 f t ^3 /s 3 1 Flood-Volume Statistics Flow Report  [10.8 Percent (10.7 square miles) Northwest Region Max Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c V a l u e U n i t A S E p 7 D a y 2 Y e a r M a x i m u m 5 1 7 f t ^3 /s 8 6 7 D a y 1 0 Y e a r M a x i m u m 8 5 1 f t ^3 /s 5 9 7 D a y 5 0 Y e a r M a x i m u m 1 2 1 0 f t ^3 /s 5 1 Flood-Volume Statistics Flow Report  [Area-Averaged] S t a t i s t i c Va l u e U n i t 7 D a y 2 Y e a r M a x i m u m 5 8 1 f t ^3 /s 7 D a y 1 0 Y e a r M a x i m u m 9 6 3 f t ^3 /s 7 D a y 5 0 Y e a r M a x i m u m 1 2 9 0 f t ^3 /s Flood-Volume Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u r a l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Low-Flow Statistics Low-Flow Statistics Parameters  [89.2 Percent (88.7 square miles) Mountain Region Min Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 1 0 6 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .6 9 i n c h e s 1 8 4 7 E L E V M e a n B a s i n E l e v a t i o n 9 1 4 3 f e e t 8 6 0 0 1 2 0 0 0 Low-Flow Statistics Parameters  [10.8 Percent (10.7 square miles) Northwest Region Min Flow] P a r a m e t e r C o d e P a r a m e t e r N a m e Va l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 5 5 2 5 0 E L E V M e a n B a s i n E l e v a t i o n 9 1 4 3 f e e t 6 8 8 0 1 0 4 8 0  8/28/23, 3:20 PM StreamStats https://streamstats.usgs.gov/ss/5/10 Low-Flow Statistics Flow Report  [89.2 Percent (88.7 square miles) Mountain Region Min Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c V a l u e U n i t A S E p 7 D a y 2 Y e a r L o w F l o w 5 .7 6 f t ^3 /s 8 9 7 D a y 1 0 Y e a r L o w F l o w 3 .4 2 f t ^3 /s 1 5 3 7 D a y 5 0 Y e a r L o w F l o w 4 .6 8 f t ^3 /s 1 2 6 Low-Flow Statistics Flow Report  [10.8 Percent (10.7 square miles) Northwest Region Min Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c V a l u e U n i t A S E p 7 D a y 2 Y e a r L o w F l o w 6 .8 4 f t ^3 /s 2 1 2 7 D a y 1 0 Y e a r L o w F l o w 3 .9 f t ^3 /s 2 8 0 7 D a y 5 0 Y e a r L o w F l o w 2 .8 4 f t ^3 /s 3 3 8 Low-Flow Statistics Flow Report  [Area-Averaged] S t a t i s t i c Va l u e U n i t 7 D a y 2 Y e a r L o w F l o w 5 .8 8 f t ^3 /s 7 D a y 1 0 Y e a r L o w F l o w 3 .4 7 f t ^3 /s 7 D a y 5 0 Y e a r L o w F l o w 4 .4 8 f t ^3 /s Low-Flow Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u r a l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Flow-Duration Statistics Flow-Duration Statistics Parameters  [89.2 Percent (88.7 square miles) Mountain Region Flow Duration] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 1 0 6 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .6 9 i n c h e s 1 8 4 7 Flow-Duration Statistics Parameters  [10.8 Percent (10.7 square miles) Northwest Region Flow Duration] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 5 2 5 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .6 9 i n c h e s 8 4 9 Flow-Duration Statistics Flow Report  [89.2 Percent (88.7 square miles) Mountain Region Flow Duration] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c V a l u e U n i t A S E p 1 0 P e r c e n t D u r a t i o n 2 9 5 f t ^3 /s 4 5 2 5 P e r c e n t D u r a t i o n 8 6 .9 f t ^3 /s 5 5 5 0 P e r c e n t D u r a t i o n 3 1 .9 f t ^3 /s 5 5  8/28/23, 3:20 PM StreamStats https://streamstats.usgs.gov/ss/6/10 S t a t i s t i c V a l u e U n i t A S E p 7 5 P e r c e n t D u r a t i o n 1 8 .6 f t ^3 /s 6 4 9 0 P e r c e n t D u r a t i o n 1 3 .3 f t ^3 /s 8 5 Flow-Duration Statistics Flow Report  [10.8 Percent (10.7 square miles) Northwest Region Flow Duration] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c V a l u e U n i t A S E p 1 0 P e r c e n t D u r a t i o n 2 3 8 f t ^3 /s 7 3 2 5 P e r c e n t D u r a t i o n 6 6 .2 f t ^3 /s 7 7 5 0 P e r c e n t D u r a t i o n 2 7 .9 f t ^3 /s 8 3 7 5 P e r c e n t D u r a t i o n 1 5 .9 f t ^3 /s 1 0 0 9 0 P e r c e n t D u r a t i o n 1 0 f t ^3 /s 1 5 4 Flow-Duration Statistics Flow Report  [Area-Averaged] S t a t i s t i c V a l u e U n i t 1 0 P e r c e n t D u r a t i o n 2 8 9 f t ^3 /s 2 5 P e r c e n t D u r a t i o n 8 4 .7 f t ^3 /s 5 0 P e r c e n t D u r a t i o n 3 1 .5 f t ^3 /s 7 5 P e r c e n t D u r a t i o n 1 8 .3 f t ^3 /s 9 0 P e r c e n t D u r a t i o n 1 2 .9 f t ^3 /s Flow-Duration Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u r a l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Annual Flow Statistics Annual Flow Statistics Parameters  [89.2 Percent (88.7 square miles) Mountain Region Mean Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 1 0 6 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .6 9 i n c h e s 1 8 4 7 Annual Flow Statistics Parameters  [10.8 Percent (10.7 square miles) Northwest Region Mean Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 5 2 5 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .6 9 i n c h e s 8 4 9 Annual Flow Statistics Flow Report  [89.2 Percent (88.7 square miles) Mountain Region Mean Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p M e a n A n n u a l F l o w 1 0 3 f t ^3 /s 3 3  8/28/23, 3:20 PM StreamStats https://streamstats.usgs.gov/ss/7/10 Annual Flow Statistics Flow Report  [10.8 Percent (10.7 square miles) Northwest Region Mean Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p M e a n A n n u a l F l o w 7 9 .5 f t ^3 /s 5 5 Annual Flow Statistics Flow Report  [Area-Averaged] S t a t i s t i c Va l u e U n i t M e a n A n n u a l F l o w 1 0 0 f t ^3 /s Annual Flow Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u r a l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Monthly Flow Statistics Monthly Flow Statistics Parameters  [89.2 Percent (88.7 square miles) Mountain Region Mean Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 1 0 6 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .6 9 i n c h e s 1 8 4 7 Monthly Flow Statistics Parameters  [10.8 Percent (10.7 square miles) Northwest Region Mean Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 5 2 5 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .6 9 i n c h e s 8 4 9 Monthly Flow Statistics Flow Report  [89.2 Percent (88.7 square miles) Mountain Region Mean Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p J a n u a r y M e a n F l o w 2 2 .1 f t ^3 /s 5 0 F e b r u a r y M e a n F l o w 2 0 .4 f t ^3 /s 5 1 M a r c h M e a n F l o w 2 3 .9 f t ^3 /s 4 9 A p r i l M e a n F l o w 6 1 .5 f t ^3 /s 4 4 M a y M e a n F l o w 2 7 5 f t ^3 /s 4 6 J u n e M e a n F l o w 4 2 6 f t ^3 /s 4 6 J u l y M e a n F l o w 1 6 8 f t ^3 /s 7 6 A u g u s t M e a n F l o w 6 8 .3 f t ^3 /s 8 0 S e p t e m b e r M e a n F l o w 4 6 .7 f t ^3 /s 5 9 O c t o b e r M e a n F l o w 4 1 .6 f t ^3 /s 4 5 N o v e m b e r M e a n F l o w 3 0 .8 f t ^3 /s 4 6 D e c e m b e r M e a n F l o w 2 3 .9 f t ^3 /s 4 7  8/28/23, 3:20 PM StreamStats https://streamstats.usgs.gov/ss/8/10 Monthly Flow Statistics Flow Report  [10.8 Percent (10.7 square miles) Northwest Region Mean Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p J a n u a r y M e a n F l o w 1 9 .9 f t ^3 /s 8 5 F e b r u a r y M e a n F l o w 2 1 .8 f t ^3 /s 7 7 M a r c h M e a n F l o w 2 6 .9 f t ^3 /s 6 8 A p r i l M e a n F l o w 7 5 .9 f t ^3 /s 8 4 M a y M e a n F l o w 3 0 2 f t ^3 /s 7 1 J u n e M e a n F l o w 2 5 5 f t ^3 /s 8 0 J u l y M e a n F l o w 8 4 .3 f t ^3 /s 7 5 A u g u s t M e a n F l o w 4 1 .7 f t ^3 /s 9 0 S e p t e m b e r M e a n F l o w 3 5 f t ^3 /s 1 0 4 O c t o b e r M e a n F l o w 3 2 .3 f t ^3 /s 9 4 N o v e m b e r M e a n F l o w 2 5 .7 f t ^3 /s 8 3 D e c e m b e r M e a n F l o w 1 9 .9 f t ^3 /s 7 9 Monthly Flow Statistics Flow Report  [Area-Averaged] S t a t i s t i c V a l u e U n i t J a n u a r y M e a n F l o w 2 1 .9 f t ^3 /s F e b r u a r y M e a n F l o w 2 0 .6 f t ^3 /s M a r c h M e a n F l o w 2 4 .2 f t ^3 /s A p r i l M e a n F l o w 6 3 f t ^3 /s M a y M e a n F l o w 2 7 8 f t ^3 /s J u n e M e a n F l o w 4 0 8 f t ^3 /s J u l y M e a n F l o w 1 5 9 f t ^3 /s A u g u s t M e a n F l o w 6 5 .4 f t ^3 /s S e p t e m b e r M e a n F l o w 4 5 .4 f t ^3 /s O c t o b e r M e a n F l o w 4 0 .6 f t ^3 /s N o v e m b e r M e a n F l o w 3 0 .3 f t ^3 /s D e c e m b e r M e a n F l o w 2 3 .5 f t ^3 /s Monthly Flow Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u r a l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Bankfull Statistics Bankfull Statistics Parameters  [Rocky Mountain System D Bieger 2015] P a r a m e t e r C o d e P a r a m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D ra i n a g e A r e a 9 9 .4 s q u a r e m i l e s 0 .1 5 4 4 4 9 7 3 0 .1 0 6 1  8/28/23, 3:20 PM StreamStats https://streamstats.usgs.gov/ss/9/10 Bankfull Statistics Parameters  [Southern Rocky Mountains P Bieger 2015] P a r a m e t e r C o d e P a r a m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 .5 4 0 5 3 9 9 7 2 9 .9 4 3 9 3 8 Bankfull Statistics Parameters  [USA Bieger 2015] P a r a m e t e r C o d e P a r a m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D ra i n a g e A r e a 9 9 .4 s q u a r e m i l e s 0 .0 7 7 2 2 5 9 9 2 7 .7 3 9 3 Bankfull Statistics Flow Report  [Rocky Mountain System D Bieger 2015] S t a t i s t i c V a l u e U n i t B i e g e r _D _c h a n n e l _w i d t h 4 5 .5 f t B i e g e r _D _c h a n n e l _d e p t h 2 .6 3 f t B i e g e r _D _c h a n n e l _c r o s s _s e c t i o n a l _a r e a 9 8 f t ^2 Bankfull Statistics Flow Report  [Southern Rocky Mountains P Bieger 2015] S t a t i s t i c Va l u e U n i t B i e g e r _P _c h a n n e l _w i d t h 4 0 .1 f t B i e g e r _P _c h a n n e l _d e p t h 1 .8 9 f t B i e g e r _P _c h a n n e l _c r o s s _s e c t i o n a l _a r e a 6 5 .3 f t ^2 Bankfull Statistics Flow Report  [USA Bieger 2015] S t a t i s t i c V a l u e U n i t B i e g e r _U S A _c h a n n e l _w i d t h 6 2 .5 f t B i e g e r _U S A _c h a n n e l _d e p t h 3 .2 1 f t B i e g e r _U S A _c h a n n e l _c r o s s _s e c t i o n a l _a r e a 2 0 5 f t ^2 Bankfull Statistics Flow Report  [Area-Averaged] S t a t i s t i c V a l u e U n i t B i e g e r _D _c h a n n e l _w i d t h 4 5 .5 f t B i e g e r _D _c h a n n e l _d e p t h 2 .6 3 f t B i e g e r _D _c h a n n e l _c r o s s _s e c t i o n a l _a r e a 9 8 f t ^2 B i e g e r _P _c h a n n e l _w i d t h 4 0 .1 f t B i e g e r _P _c h a n n e l _d e p t h 1 .8 9 f t B i e g e r _P _c h a n n e l _c r o s s _s e c t i o n a l _a r e a 6 5 .3 f t ^2 B i e g e r _U S A _c h a n n e l _w i d t h 6 2 .5 f t B i e g e r _U S A _c h a n n e l _d e p t h 3 .2 1 f t B i e g e r _U S A _c h a n n e l _c r o s s _s e c t i o n a l _a r e a 2 0 5 f t ^2 Bankfull Statistics Citations B i e g e r, K a t r i n ; R a t h j e n s , H e n d r i k ; A l l e n , P e t e r M .; a n d A r n o l d , J e f f r e y G .,2 0 1 5 , D e v e l o p m e n t a n d E v a l u a t i o n o f B a n k f u l l H y d r a u l i c G e o m e t r y R e l a t i o n s h i p s f o r t h e P h y s i o g r a p h i c R e g i o n s o f t h e U n i t e d S t a t e s , P u b l i c a t i o n s f r o m U S D A -A R S / U N L F a c u l t y, 1 7 p . (h t t p s ://d i g i t a l c o m m o n s .u n l .e d u /u s d a a r s f a c p u b /1 5 1 5 ? u t m _s o u r c e =d i g i t a l c o m m o n s .u n l .e d u %2 F u s d a a r s f a c p u b %2 F 1 5 1 5 &u t m _m e d i u m =P D F &u t m _c a m p a i g n =P D F C o v e r P a g e s ) 8/28/23, 3:20 PM StreamStats https://streamstats.usgs.gov/ss/10/10   Maximum Probable Flood Statistics Maximum Probable Flood Statistics Parameters  [Crippen Bue Region 13] P a r a m e t e r C o d e P a r a m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 0 .1 1 0 0 0 0 Maximum Probable Flood Statistics Flow Report  [Crippen Bue Region 13] S t a t i s t i c V a l u e U n i t M a x i m u m F l o o d C r i p p e n B u e R e g i o n a l 9 5 7 0 0 f t ^3 /s Maximum Probable Flood Statistics Citations C r i p p e n , J .R . a n d B u e , C o n ra d D.1 9 7 7 , M a x i m u m F l o o d f l o w s i n t h e C o n t e r m i n o u s U n i t e d S t a t e s , G e o l o g i c a l S u r v e y W a t e r - S u p p l y P a p e r 1 8 8 7 , 5 2 p . (h t t p s ://p u b s .u s g s .g o v /w s p /1 8 8 7 /r e p o r t .p d f ) USGS Data Disclaimer: Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data for other purposes, nor on all computer systems, nor shall the act of distribution constitute any such warranty. USGS Software Disclaimer: This software has been approved for release by the U.S. Geological Survey (USGS). Although the software has been subjected to rigorous review, the USGS reserves the right to update the software as needed pursuant to further analysis and review. No warranty, expressed or implied, is made by the USGS or the U.S. Government as to the functionality of the software and related material nor shall the fact of release constitute any such warranty. Furthermore, the software is released on condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use. USGS Product Names Disclaimer : Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Application Version: 4.16.1 StreamStats Services Version: 1.2.22 NSS Services Version: 2.2.1  8/28/23, 3:14 PM StreamStats https://streamstats.usgs.gov/ss/1/10 StreamStats Report  Collapse All   Basin Characteristics P a r a m e t e r C o d e P a r a m e t e r D e s c r i p t i o n Va l u e U n i t B S L D E M 1 0 M M e a n b a s i n s l o p e c o m p u t e d f r o m 1 0 m D E M 3 0 p e r c e n t C S L 1 0 8 5 L F P C h a n g e i n e l e v a t i o n d i v i d e d b y l e n g t h b e t w e e n p o i n t s 1 0 a n d 8 5 p e r c e n t o f d i s t a n c e a l o n g t h e l o n g e s t f l o w p a t h t o t h e b a s i n d i v i d e , L F P f ro m 2 D g r i d 2 7 1 f e e t p e r m i D R N A R E A A r e a t h a t d r a i n s t o a p o i n t o n a s t r e a m 9 9 .4 s q u a r e m i l e s E L 7 5 0 0 P e r c e n t o f a re a a b o v e 7 5 0 0 f t 8 9 p e r c e n t E L E V M e a n B a s i n E l e v a t i o n 9 1 4 2 f e e t E L E V M A X M a x i m u m b a s i n e l e v a t i o n 1 1 5 0 0 f e e t I 2 4 H 1 0 0 Y M a x i m u m 2 4 -h o u r p r e c i p i t a t i o n t h a t o c c u r s o n a v e r a g e o n c e i n 1 0 0 y e a r s 3 .3 5 i n c h e s I 2 4 H 2 Y M a x i m u m 2 4 -h o u r p r e c i p i t a t i o n t h a t o c c u r s o n a v e r a g e o n c e i n 2 y e a r s - E q u i v a l e n t t o p r e c i p i t a t i o n i n t e n s i t y i n d e x 1 .5 6 i n c h e s I 6 H 1 0 0 Y 6 -h o u r p r e c i p i t a t i o n t h a t i s e x p e c t e d t o o c c u r o n a v e r a g e o n c e i n 1 0 0 y e a r s 2 .1 i n c h e s I 6 H 2 Y M a x i m u m 6 -h o u r p r e c i p i t a t i o n t h a t o c c u r s o n a v e r a g e o n c e i n 2 y e a r s 1 .0 1 i n c h e s L AT _O U T L a t i t u d e o f B a s i n O u t l e t 3 9 .6 3 6 3 7 d e g r e e s LC 1 1 B A R E P e r c e n t a g e o f b a r r e n f r o m N LC D 2 0 1 1 c l a s s 3 1 0 .2 p e r c e n t LC 1 1 C R P H AY P e r c e n t a g e o f c u l t i v a t e d c r o p s a n d h a y, c l a s s e s 8 1 a n d 8 2 , f r o m N L C D 2 0 1 1 0 .8 p e r c e n t LC 1 1 D E V P e r c e n t a g e o f d e v e l o p e d (u r b a n ) l a n d f r o m N LC D 2 0 1 1 c l a s s e s 2 1 -2 4 0 .1 p e r c e n t LC 1 1 F O R E S T P e r c e n t a g e o f f o r e s t f r o m N LC D 2 0 1 1 c l a s s e s 4 1 -4 3 6 0 p e r c e n t LC 1 1 G R A S S P e r c e n t o f a re a c o v e r e d b y g r a s s l a n d /h e r b a c e o u s u s i n g 2 0 1 1 N LC D 2 7 .1 p e r c e n t R e g i o n I D :C O W o r k s p a c e I D :C O 2 0 2 3 0 8 2 8 2 1 0 9 3 5 5 0 3 0 0 0 C l i c k e d P o i n t (L a t i t u d e , L o n g i t u d e ):3 9 .6 3 6 3 8 , -1 0 7 .5 7 7 9 2 T i m e :2 0 2 3 -0 8 -2 8 1 5 :0 9 :5 9 -0 6 0 0   8/28/23, 3:14 PM StreamStats https://streamstats.usgs.gov/ss/2/10 P a r a m e t e r C o d e P a r a m e t e r D e s c r i p t i o n Va l u e U n i t LC 1 1 I M P Av e r a g e p e r c e n t a g e o f i m p e r v i o u s a r e a d e t e r m i n e d f r o m N L C D 2 0 1 1 i m p e r v i o u s d a t a s e t 1 p e r c e n t LC 1 1 S H R U B P e r c e n t o f a re a c o v e r e d b y s h r u b l a n d u s i n g 2 0 1 1 N L C D 6 .3 p e r c e n t LC 1 1 S N O I C P e r c e n t s n o w a n d i c e f r o m N LC D 2 0 1 1 c l a s s 1 2 0 p e r c e n t LC 1 1 WAT E R P e r c e n t o f o p e n w a t e r, c l a s s 1 1 , f r o m N L C D 2 0 1 1 0 .1 p e r c e n t LC 1 1 W E T L N D P e r c e n t a g e o f w e t l a n d s , c l a s s e s 9 0 a n d 9 5 , f r o m N LC D 2 0 1 1 1 p e r c e n t L F P L E N G T H L e n g t h o f l o n g e s t f l o w p a t h 2 0 .4 m i l e s LO N G _O U T L o n g i t u d e o f B a s i n O u t l e t -1 0 7 .5 7 7 8 9 3 d e g r e e s M I N B E L E V M i n i m u m b a s i n e l e v a t i o n 5 8 9 0 f e e t O U T L E T E L E V E l e v a t i o n o f t h e s t r e a m o u t l e t i n f e e t a b o v e N AV D 8 8 5 8 9 2 f e e t P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .6 9 i n c h e s R C N R u n o f f -c u r v e n u m b e r a s d e f i n e d b y N R C S (h t t p ://p o l i c y.n r c s .u s d a .g o v /O p e n N o n W e b C o n t e n t .a s p x ?c o n t e n t =1 7 7 5 8 .w b a ) 7 4 .9 8 d i m e n s i o n l e s s R U N C O _C O S o i l r u n o f f c o e f f i c i e n t a s d e f i n e d b y V e r d i n a n d G r o s s (2 0 1 7 )0 .4 1 d i m e n s i o n l e s s S S U R G O A P e r c e n t a g e o f a r e a o f H y d r o l o g i c S o i l Ty p e A f ro m S S U R G O 0 .1 4 p e r c e n t S S U R G O B P e r c e n t a g e o f a r e a o f H y d r o l o g i c S o i l Ty p e B f r o m S S U R G O 0 .2 3 p e r c e n t S S U R G O C P e r c e n t a g e o f a r e a o f H y d r o l o g i c S o i l Ty p e C f r o m S S U R G O 1 .6 2 p e r c e n t S S U R G O D P e r c e n t a g e o f a r e a o f H y d r o l o g i c S o i l Ty p e D f r o m S S U R G O 2 .4 4 p e r c e n t S TAT S C L AY P e r c e n t a g e o f c l a y s o i l s f r o m S TAT S G O 2 5 .7 8 p e r c e n t S T O R N H D P e r c e n t s t o ra g e (w e t l a n d s a n d w a t e r b o d i e s ) d e t e r m i n e d f r o m 1 :2 4 K N H D 0 .1 p e r c e n t T O C T i m e o f c o n c e n t ra t i o n i n h o u r s 4 .7 5 h o u r s   Peak-Flow Statistics Peak-Flow Statistics Parameters  [89.2 Percent (88.7 square miles) Mountain Region Peak Flow] P a r a m e t e r C o d e P a r a m e t e r N a m e Va l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D ra i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 1 0 6 0 B S L D E M 1 0 M M e a n B a s i n S l o p e f r o m 1 0 m D E M 3 0 p e r c e n t 7 .6 6 0 .2 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .6 9 i n c h e s 1 8 4 7 Peak-Flow Statistics Parameters  [10.8 Percent (10.7 square miles) Northwest Region Peak Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 5 2 5 0 E L 7 5 0 0 P e r c e n t a b o v e 7 5 0 0 f t 8 9 p e r c e n t 0 9 9 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .6 9 i n c h e s 8 4 9 Peak-Flow Statistics Flow Report  [89.2 Percent (88.7 square miles) Mountain Region Peak Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p 5 0 -p e r c e n t A E P f l o o d 8 1 5 f t ^3 /s 4 9 2 0 -p e r c e n t A E P f l o o d 1 1 0 0 f t ^3 /s 4 4  8/28/23, 3:14 PM StreamStats https://streamstats.usgs.gov/ss/3/10 S t a t i s t i c Va l u e U n i t A S E p 1 0 -p e r c e n t A E P f l o o d 1 2 9 0 f t ^3 /s 4 1 4 -p e r c e n t A E P f l o o d 1 4 5 0 f t ^3 /s 4 0 2 -p e r c e n t A E P f l o o d 1 7 0 0 f t ^3 /s 3 9 1 -p e r c e n t A E P f l o o d 1 8 7 0 f t ^3 /s 3 6 0 .5 -p e r c e n t A E P f l o o d 2 0 0 0 f t ^3 /s 3 6 0 .2 -p e r c e n t A E P f l o o d 2 2 4 0 f t ^3 /s 3 3 Peak-Flow Statistics Flow Report  [10.8 Percent (10.7 square miles) Northwest Region Peak Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p 5 0 -p e r c e n t A E P f l o o d 5 9 4 f t ^3 /s 1 1 3 2 0 -p e r c e n t A E P f l o o d 9 4 3 f t ^3 /s 8 8 1 0 -p e r c e n t A E P f l o o d 1 1 6 0 f t ^3 /s 7 9 4 -p e r c e n t A E P f l o o d 1 4 9 0 f t ^3 /s 7 4 2 -p e r c e n t A E P f l o o d 1 7 2 0 f t ^3 /s 7 4 1 -p e r c e n t A E P f l o o d 2 0 0 0 f t ^3 /s 7 5 0 .5 -p e r c e n t A E P f l o o d 2 1 8 0 f t ^3 /s 7 6 0 .2 -p e r c e n t A E P f l o o d 2 5 7 0 f t ^3 /s 7 9 Peak-Flow Statistics Flow Report  [Area-Averaged] S t a t i s t i c Va l u e U n i t 5 0 -p e r c e n t A E P f l o o d 7 9 1 f t ^3 /s 2 0 -p e r c e n t A E P f l o o d 1 0 8 0 f t ^3 /s 1 0 -p e r c e n t A E P f l o o d 1 2 8 0 f t ^3 /s 4 -p e r c e n t A E P f l o o d 1 4 5 0 f t ^3 /s 2 -p e r c e n t A E P f l o o d 1 7 0 0 f t ^3 /s 1 -p e r c e n t A E P f l o o d 1 8 8 0 f t ^3 /s 0 .5 -p e r c e n t A E P f l o o d 2 0 2 0 f t ^3 /s 0 .2 -p e r c e n t A E P f l o o d 2 2 8 0 f t ^3 /s Peak-Flow Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u r a l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Flood-Volume Statistics Flood-Volume Statistics Parameters  [89.2 Percent (88.7 square miles) Mountain Region Max Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 1 0 6 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .6 9 i n c h e s 1 8 4 7  8/28/23, 3:14 PM StreamStats https://streamstats.usgs.gov/ss/4/10 Flood-Volume Statistics Parameters  [10.8 Percent (10.7 square miles) Northwest Region Max Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 5 5 2 5 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .6 9 i n c h e s 8 4 9 E L 7 5 0 0 P e r c e n t a b o v e 7 5 0 0 f t 8 9 p e r c e n t 0 9 9 Flood-Volume Statistics Flow Report  [89.2 Percent (88.7 square miles) Mountain Region Max Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c V a l u e U n i t A S E p 7 D a y 2 Y e a r M a x i m u m 5 8 9 f t ^3 /s 4 6 7 D a y 1 0 Y e a r M a x i m u m 9 7 6 f t ^3 /s 3 5 7 D a y 5 0 Y e a r M a x i m u m 1 3 0 0 f t ^3 /s 3 1 Flood-Volume Statistics Flow Report  [10.8 Percent (10.7 square miles) Northwest Region Max Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c V a l u e U n i t A S E p 7 D a y 2 Y e a r M a x i m u m 5 1 7 f t ^3 /s 8 6 7 D a y 1 0 Y e a r M a x i m u m 8 5 1 f t ^3 /s 5 9 7 D a y 5 0 Y e a r M a x i m u m 1 2 1 0 f t ^3 /s 5 1 Flood-Volume Statistics Flow Report  [Area-Averaged] S t a t i s t i c Va l u e U n i t 7 D a y 2 Y e a r M a x i m u m 5 8 1 f t ^3 /s 7 D a y 1 0 Y e a r M a x i m u m 9 6 3 f t ^3 /s 7 D a y 5 0 Y e a r M a x i m u m 1 2 9 0 f t ^3 /s Flood-Volume Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u r a l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Low-Flow Statistics Low-Flow Statistics Parameters  [89.2 Percent (88.7 square miles) Mountain Region Min Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 1 0 6 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .6 9 i n c h e s 1 8 4 7 E L E V M e a n B a s i n E l e v a t i o n 9 1 4 2 f e e t 8 6 0 0 1 2 0 0 0 Low-Flow Statistics Parameters  [10.8 Percent (10.7 square miles) Northwest Region Min Flow] P a r a m e t e r C o d e P a r a m e t e r N a m e Va l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 5 5 2 5 0 E L E V M e a n B a s i n E l e v a t i o n 9 1 4 2 f e e t 6 8 8 0 1 0 4 8 0  8/28/23, 3:14 PM StreamStats https://streamstats.usgs.gov/ss/5/10 Low-Flow Statistics Flow Report  [89.2 Percent (88.7 square miles) Mountain Region Min Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c V a l u e U n i t A S E p 7 D a y 2 Y e a r L o w F l o w 5 .7 6 f t ^3 /s 8 9 7 D a y 1 0 Y e a r L o w F l o w 3 .4 2 f t ^3 /s 1 5 3 7 D a y 5 0 Y e a r L o w F l o w 4 .6 8 f t ^3 /s 1 2 6 Low-Flow Statistics Flow Report  [10.8 Percent (10.7 square miles) Northwest Region Min Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c V a l u e U n i t A S E p 7 D a y 2 Y e a r L o w F l o w 6 .8 3 f t ^3 /s 2 1 2 7 D a y 1 0 Y e a r L o w F l o w 3 .9 f t ^3 /s 2 8 0 7 D a y 5 0 Y e a r L o w F l o w 2 .8 4 f t ^3 /s 3 3 8 Low-Flow Statistics Flow Report  [Area-Averaged] S t a t i s t i c Va l u e U n i t 7 D a y 2 Y e a r L o w F l o w 5 .8 8 f t ^3 /s 7 D a y 1 0 Y e a r L o w F l o w 3 .4 7 f t ^3 /s 7 D a y 5 0 Y e a r L o w F l o w 4 .4 8 f t ^3 /s Low-Flow Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u r a l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Flow-Duration Statistics Flow-Duration Statistics Parameters  [89.2 Percent (88.7 square miles) Mountain Region Flow Duration] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 1 0 6 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .6 9 i n c h e s 1 8 4 7 Flow-Duration Statistics Parameters  [10.8 Percent (10.7 square miles) Northwest Region Flow Duration] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 5 2 5 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .6 9 i n c h e s 8 4 9 Flow-Duration Statistics Flow Report  [89.2 Percent (88.7 square miles) Mountain Region Flow Duration] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c V a l u e U n i t A S E p 1 0 P e r c e n t D u r a t i o n 2 9 5 f t ^3 /s 4 5 2 5 P e r c e n t D u r a t i o n 8 6 .9 f t ^3 /s 5 5 5 0 P e r c e n t D u r a t i o n 3 1 .9 f t ^3 /s 5 5  8/28/23, 3:14 PM StreamStats https://streamstats.usgs.gov/ss/6/10 S t a t i s t i c V a l u e U n i t A S E p 7 5 P e r c e n t D u r a t i o n 1 8 .6 f t ^3 /s 6 4 9 0 P e r c e n t D u r a t i o n 1 3 .3 f t ^3 /s 8 5 Flow-Duration Statistics Flow Report  [10.8 Percent (10.7 square miles) Northwest Region Flow Duration] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c V a l u e U n i t A S E p 1 0 P e r c e n t D u r a t i o n 2 3 8 f t ^3 /s 7 3 2 5 P e r c e n t D u r a t i o n 6 6 .2 f t ^3 /s 7 7 5 0 P e r c e n t D u r a t i o n 2 7 .9 f t ^3 /s 8 3 7 5 P e r c e n t D u r a t i o n 1 5 .9 f t ^3 /s 1 0 0 9 0 P e r c e n t D u r a t i o n 1 0 f t ^3 /s 1 5 4 Flow-Duration Statistics Flow Report  [Area-Averaged] S t a t i s t i c V a l u e U n i t 1 0 P e r c e n t D u r a t i o n 2 8 9 f t ^3 /s 2 5 P e r c e n t D u r a t i o n 8 4 .7 f t ^3 /s 5 0 P e r c e n t D u r a t i o n 3 1 .5 f t ^3 /s 7 5 P e r c e n t D u r a t i o n 1 8 .3 f t ^3 /s 9 0 P e r c e n t D u r a t i o n 1 2 .9 f t ^3 /s Flow-Duration Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u r a l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Annual Flow Statistics Annual Flow Statistics Parameters  [89.2 Percent (88.7 square miles) Mountain Region Mean Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 1 0 6 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .6 9 i n c h e s 1 8 4 7 Annual Flow Statistics Parameters  [10.8 Percent (10.7 square miles) Northwest Region Mean Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 5 2 5 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .6 9 i n c h e s 8 4 9 Annual Flow Statistics Flow Report  [89.2 Percent (88.7 square miles) Mountain Region Mean Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p M e a n A n n u a l F l o w 1 0 3 f t ^3 /s 3 3  8/28/23, 3:14 PM StreamStats https://streamstats.usgs.gov/ss/7/10 Annual Flow Statistics Flow Report  [10.8 Percent (10.7 square miles) Northwest Region Mean Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p M e a n A n n u a l F l o w 7 9 .5 f t ^3 /s 5 5 Annual Flow Statistics Flow Report  [Area-Averaged] S t a t i s t i c Va l u e U n i t M e a n A n n u a l F l o w 1 0 0 f t ^3 /s Annual Flow Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u r a l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Monthly Flow Statistics Monthly Flow Statistics Parameters  [89.2 Percent (88.7 square miles) Mountain Region Mean Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 1 0 6 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .6 9 i n c h e s 1 8 4 7 Monthly Flow Statistics Parameters  [10.8 Percent (10.7 square miles) Northwest Region Mean Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 5 2 5 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .6 9 i n c h e s 8 4 9 Monthly Flow Statistics Flow Report  [89.2 Percent (88.7 square miles) Mountain Region Mean Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p J a n u a r y M e a n F l o w 2 2 .1 f t ^3 /s 5 0 F e b r u a r y M e a n F l o w 2 0 .4 f t ^3 /s 5 1 M a r c h M e a n F l o w 2 3 .9 f t ^3 /s 4 9 A p r i l M e a n F l o w 6 1 .5 f t ^3 /s 4 4 M a y M e a n F l o w 2 7 5 f t ^3 /s 4 6 J u n e M e a n F l o w 4 2 6 f t ^3 /s 4 6 J u l y M e a n F l o w 1 6 8 f t ^3 /s 7 6 A u g u s t M e a n F l o w 6 8 .3 f t ^3 /s 8 0 S e p t e m b e r M e a n F l o w 4 6 .7 f t ^3 /s 5 9 O c t o b e r M e a n F l o w 4 1 .6 f t ^3 /s 4 5 N o v e m b e r M e a n F l o w 3 0 .8 f t ^3 /s 4 6 D e c e m b e r M e a n F l o w 2 3 .9 f t ^3 /s 4 7  8/28/23, 3:14 PM StreamStats https://streamstats.usgs.gov/ss/8/10 Monthly Flow Statistics Flow Report  [10.8 Percent (10.7 square miles) Northwest Region Mean Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p J a n u a r y M e a n F l o w 1 9 .9 f t ^3 /s 8 5 F e b r u a r y M e a n F l o w 2 1 .8 f t ^3 /s 7 7 M a r c h M e a n F l o w 2 6 .9 f t ^3 /s 6 8 A p r i l M e a n F l o w 7 5 .9 f t ^3 /s 8 4 M a y M e a n F l o w 3 0 2 f t ^3 /s 7 1 J u n e M e a n F l o w 2 5 5 f t ^3 /s 8 0 J u l y M e a n F l o w 8 4 .3 f t ^3 /s 7 5 A u g u s t M e a n F l o w 4 1 .7 f t ^3 /s 9 0 S e p t e m b e r M e a n F l o w 3 5 f t ^3 /s 1 0 4 O c t o b e r M e a n F l o w 3 2 .3 f t ^3 /s 9 4 N o v e m b e r M e a n F l o w 2 5 .7 f t ^3 /s 8 3 D e c e m b e r M e a n F l o w 1 9 .9 f t ^3 /s 7 9 Monthly Flow Statistics Flow Report  [Area-Averaged] S t a t i s t i c V a l u e U n i t J a n u a r y M e a n F l o w 2 1 .9 f t ^3 /s F e b r u a r y M e a n F l o w 2 0 .6 f t ^3 /s M a r c h M e a n F l o w 2 4 .2 f t ^3 /s A p r i l M e a n F l o w 6 3 .1 f t ^3 /s M a y M e a n F l o w 2 7 8 f t ^3 /s J u n e M e a n F l o w 4 0 8 f t ^3 /s J u l y M e a n F l o w 1 5 9 f t ^3 /s A u g u s t M e a n F l o w 6 5 .4 f t ^3 /s S e p t e m b e r M e a n F l o w 4 5 .4 f t ^3 /s O c t o b e r M e a n F l o w 4 0 .6 f t ^3 /s N o v e m b e r M e a n F l o w 3 0 .2 f t ^3 /s D e c e m b e r M e a n F l o w 2 3 .5 f t ^3 /s Monthly Flow Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u r a l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Bankfull Statistics Bankfull Statistics Parameters  [Rocky Mountain System D Bieger 2015] P a r a m e t e r C o d e P a r a m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D ra i n a g e A r e a 9 9 .4 s q u a r e m i l e s 0 .1 5 4 4 4 9 7 3 0 .1 0 6 1  8/28/23, 3:14 PM StreamStats https://streamstats.usgs.gov/ss/9/10 Bankfull Statistics Parameters  [Southern Rocky Mountains P Bieger 2015] P a r a m e t e r C o d e P a r a m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 1 .5 4 0 5 3 9 9 7 2 9 .9 4 3 9 3 8 Bankfull Statistics Parameters  [USA Bieger 2015] P a r a m e t e r C o d e P a r a m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D ra i n a g e A r e a 9 9 .4 s q u a r e m i l e s 0 .0 7 7 2 2 5 9 9 2 7 .7 3 9 3 Bankfull Statistics Flow Report  [Rocky Mountain System D Bieger 2015] S t a t i s t i c V a l u e U n i t B i e g e r _D _c h a n n e l _w i d t h 4 5 .5 f t B i e g e r _D _c h a n n e l _d e p t h 2 .6 3 f t B i e g e r _D _c h a n n e l _c r o s s _s e c t i o n a l _a r e a 9 8 f t ^2 Bankfull Statistics Flow Report  [Southern Rocky Mountains P Bieger 2015] S t a t i s t i c Va l u e U n i t B i e g e r _P _c h a n n e l _w i d t h 4 0 .1 f t B i e g e r _P _c h a n n e l _d e p t h 1 .8 9 f t B i e g e r _P _c h a n n e l _c r o s s _s e c t i o n a l _a r e a 6 5 .3 f t ^2 Bankfull Statistics Flow Report  [USA Bieger 2015] S t a t i s t i c V a l u e U n i t B i e g e r _U S A _c h a n n e l _w i d t h 6 2 .5 f t B i e g e r _U S A _c h a n n e l _d e p t h 3 .2 1 f t B i e g e r _U S A _c h a n n e l _c r o s s _s e c t i o n a l _a r e a 2 0 5 f t ^2 Bankfull Statistics Flow Report  [Area-Averaged] S t a t i s t i c V a l u e U n i t B i e g e r _D _c h a n n e l _w i d t h 4 5 .5 f t B i e g e r _D _c h a n n e l _d e p t h 2 .6 3 f t B i e g e r _D _c h a n n e l _c r o s s _s e c t i o n a l _a r e a 9 8 f t ^2 B i e g e r _P _c h a n n e l _w i d t h 4 0 .1 f t B i e g e r _P _c h a n n e l _d e p t h 1 .8 9 f t B i e g e r _P _c h a n n e l _c r o s s _s e c t i o n a l _a r e a 6 5 .3 f t ^2 B i e g e r _U S A _c h a n n e l _w i d t h 6 2 .5 f t B i e g e r _U S A _c h a n n e l _d e p t h 3 .2 1 f t B i e g e r _U S A _c h a n n e l _c r o s s _s e c t i o n a l _a r e a 2 0 5 f t ^2 Bankfull Statistics Citations B i e g e r, K a t r i n ; R a t h j e n s , H e n d r i k ; A l l e n , P e t e r M .; a n d A r n o l d , J e f f r e y G .,2 0 1 5 , D e v e l o p m e n t a n d E v a l u a t i o n o f B a n k f u l l H y d r a u l i c G e o m e t r y R e l a t i o n s h i p s f o r t h e P h y s i o g r a p h i c R e g i o n s o f t h e U n i t e d S t a t e s , P u b l i c a t i o n s f r o m U S D A -A R S / U N L F a c u l t y, 1 7 p . (h t t p s ://d i g i t a l c o m m o n s .u n l .e d u /u s d a a r s f a c p u b /1 5 1 5 ? u t m _s o u r c e =d i g i t a l c o m m o n s .u n l .e d u %2 F u s d a a r s f a c p u b %2 F 1 5 1 5 &u t m _m e d i u m =P D F &u t m _c a m p a i g n =P D F C o v e r P a g e s ) 8/28/23, 3:14 PM StreamStats https://streamstats.usgs.gov/ss/10/10   Maximum Probable Flood Statistics Maximum Probable Flood Statistics Parameters  [Crippen Bue Region 13] P a r a m e t e r C o d e P a r a m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 9 9 .4 s q u a r e m i l e s 0 .1 1 0 0 0 0 Maximum Probable Flood Statistics Flow Report  [Crippen Bue Region 13] S t a t i s t i c V a l u e U n i t M a x i m u m F l o o d C r i p p e n B u e R e g i o n a l 9 5 7 0 0 f t ^3 /s Maximum Probable Flood Statistics Citations C r i p p e n , J .R . a n d B u e , C o n ra d D.1 9 7 7 , M a x i m u m F l o o d f l o w s i n t h e C o n t e r m i n o u s U n i t e d S t a t e s , G e o l o g i c a l S u r v e y W a t e r - S u p p l y P a p e r 1 8 8 7 , 5 2 p . (h t t p s ://p u b s .u s g s .g o v /w s p /1 8 8 7 /r e p o r t .p d f ) USGS Data Disclaimer: Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data for other purposes, nor on all computer systems, nor shall the act of distribution constitute any such warranty. USGS Software Disclaimer: This software has been approved for release by the U.S. Geological Survey (USGS). Although the software has been subjected to rigorous review, the USGS reserves the right to update the software as needed pursuant to further analysis and review. No warranty, expressed or implied, is made by the USGS or the U.S. Government as to the functionality of the software and related material nor shall the fact of release constitute any such warranty. Furthermore, the software is released on condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use. USGS Product Names Disclaimer : Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Application Version: 4.16.1 StreamStats Services Version: 1.2.22 NSS Services Version: 2.2.1  8/28/23, 3:08 PM StreamStats https://streamstats.usgs.gov/ss/1/10 StreamStats Report  Collapse All   Basin Characteristics P a r a m e t e r C o d e P a r a m e t e r D e s c r i p t i o n Va l u e U n i t B S L D E M 1 0 M M e a n b a s i n s l o p e c o m p u t e d f r o m 1 0 m D E M 3 1 p e r c e n t C S L 1 0 8 5 L F P C h a n g e i n e l e v a t i o n d i v i d e d b y l e n g t h b e t w e e n p o i n t s 1 0 a n d 8 5 p e r c e n t o f d i s t a n c e a l o n g t h e l o n g e s t f l o w p a t h t o t h e b a s i n d i v i d e , L F P f ro m 2 D g r i d 2 6 6 .6 f e e t p e r m i D R N A R E A A r e a t h a t d r a i n s t o a p o i n t o n a s t r e a m 1 0 1 s q u a r e m i l e s E L 7 5 0 0 P e r c e n t o f a re a a b o v e 7 5 0 0 f t 8 7 p e r c e n t E L E V M e a n B a s i n E l e v a t i o n 9 0 9 9 f e e t E L E V M A X M a x i m u m b a s i n e l e v a t i o n 1 1 5 0 0 f e e t I 2 4 H 1 0 0 Y M a x i m u m 2 4 -h o u r p r e c i p i t a t i o n t h a t o c c u r s o n a v e r a g e o n c e i n 1 0 0 y e a r s 3 .3 4 i n c h e s I 2 4 H 2 Y M a x i m u m 2 4 -h o u r p r e c i p i t a t i o n t h a t o c c u r s o n a v e r a g e o n c e i n 2 y e a r s - E q u i v a l e n t t o p r e c i p i t a t i o n i n t e n s i t y i n d e x 1 .5 5 i n c h e s I 6 H 1 0 0 Y 6 -h o u r p r e c i p i t a t i o n t h a t i s e x p e c t e d t o o c c u r o n a v e r a g e o n c e i n 1 0 0 y e a r s 2 .0 9 i n c h e s I 6 H 2 Y M a x i m u m 6 -h o u r p r e c i p i t a t i o n t h a t o c c u r s o n a v e r a g e o n c e i n 2 y e a r s 1 i n c h e s L AT _O U T L a t i t u d e o f B a s i n O u t l e t 3 9 .6 3 2 6 6 4 d e g r e e s LC 1 1 B A R E P e r c e n t a g e o f b a r r e n f r o m N LC D 2 0 1 1 c l a s s 3 1 0 .2 p e r c e n t LC 1 1 C R P H AY P e r c e n t a g e o f c u l t i v a t e d c r o p s a n d h a y, c l a s s e s 8 1 a n d 8 2 , f r o m N L C D 2 0 1 1 0 .8 p e r c e n t LC 1 1 D E V P e r c e n t a g e o f d e v e l o p e d (u r b a n ) l a n d f r o m N LC D 2 0 1 1 c l a s s e s 2 1 -2 4 0 .1 p e r c e n t LC 1 1 F O R E S T P e r c e n t a g e o f f o r e s t f r o m N LC D 2 0 1 1 c l a s s e s 4 1 -4 3 6 0 .2 p e r c e n t LC 1 1 G R A S S P e r c e n t o f a re a c o v e r e d b y g r a s s l a n d /h e r b a c e o u s u s i n g 2 0 1 1 N LC D 2 6 .7 p e r c e n t R e g i o n I D :C O W o r k s p a c e I D :C O 2 0 2 3 0 8 2 8 2 0 3 9 5 7 7 7 1 0 0 0 C l i c k e d P o i n t (L a t i t u d e , L o n g i t u d e ):3 9 .6 3 2 6 4 , -1 0 7 .5 7 8 4 4 T i m e :2 0 2 3 -0 8 -2 8 1 4 :4 0 :2 5 -0 6 0 0   8/28/23, 3:08 PM StreamStats https://streamstats.usgs.gov/ss/2/10 P a r a m e t e r C o d e P a r a m e t e r D e s c r i p t i o n Va l u e U n i t LC 1 1 I M P Av e r a g e p e r c e n t a g e o f i m p e r v i o u s a r e a d e t e r m i n e d f r o m N L C D 2 0 1 1 i m p e r v i o u s d a t a s e t 1 p e r c e n t LC 1 1 S H R U B P e r c e n t o f a re a c o v e r e d b y s h r u b l a n d u s i n g 2 0 1 1 N L C D 6 .6 p e r c e n t LC 1 1 S N O I C P e r c e n t s n o w a n d i c e f r o m N LC D 2 0 1 1 c l a s s 1 2 0 p e r c e n t LC 1 1 WAT E R P e r c e n t o f o p e n w a t e r, c l a s s 1 1 , f r o m N L C D 2 0 1 1 0 .1 p e r c e n t LC 1 1 W E T L N D P e r c e n t a g e o f w e t l a n d s , c l a s s e s 9 0 a n d 9 5 , f r o m N LC D 2 0 1 1 1 p e r c e n t L F P L E N G T H L e n g t h o f l o n g e s t f l o w p a t h 2 0 .7 m i l e s LO N G _O U T L o n g i t u d e o f B a s i n O u t l e t -1 0 7 .5 7 8 4 5 5 d e g r e e s M I N B E L E V M i n i m u m b a s i n e l e v a t i o n 5 8 7 0 f e e t O U T L E T E L E V E l e v a t i o n o f t h e s t r e a m o u t l e t i n f e e t a b o v e N AV D 8 8 5 8 7 1 f e e t P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .4 4 i n c h e s R C N R u n o f f -c u r v e n u m b e r a s d e f i n e d b y N R C S (h t t p ://p o l i c y.n r c s .u s d a .g o v /O p e n N o n W e b C o n t e n t .a s p x ?c o n t e n t =1 7 7 5 8 .w b a ) 7 5 .6 7 d i m e n s i o n l e s s R U N C O _C O S o i l r u n o f f c o e f f i c i e n t a s d e f i n e d b y V e r d i n a n d G r o s s (2 0 1 7 )0 .4 1 d i m e n s i o n l e s s S S U R G O A P e r c e n t a g e o f a r e a o f H y d r o l o g i c S o i l Ty p e A f ro m S S U R G O 0 .1 6 p e r c e n t S S U R G O B P e r c e n t a g e o f a r e a o f H y d r o l o g i c S o i l Ty p e B f r o m S S U R G O 0 .2 5 p e r c e n t S S U R G O C P e r c e n t a g e o f a r e a o f H y d r o l o g i c S o i l Ty p e C f r o m S S U R G O 1 .9 5 p e r c e n t S S U R G O D P e r c e n t a g e o f a r e a o f H y d r o l o g i c S o i l Ty p e D f r o m S S U R G O 3 .7 7 p e r c e n t S TAT S C L AY P e r c e n t a g e o f c l a y s o i l s f r o m S TAT S G O 2 5 .7 7 p e r c e n t S T O R N H D P e r c e n t s t o ra g e (w e t l a n d s a n d w a t e r b o d i e s ) d e t e r m i n e d f r o m 1 :2 4 K N H D 0 .1 p e r c e n t T O C T i m e o f c o n c e n t ra t i o n i n h o u r s 4 .6 3 h o u r s   Peak-Flow Statistics Peak-Flow Statistics Parameters  [87.8 Percent (88.8 square miles) Mountain Region Peak Flow] P a r a m e t e r C o d e P a r a m e t e r N a m e Va l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D ra i n a g e A r e a 1 0 1 s q u a r e m i l e s 1 1 0 6 0 B S L D E M 1 0 M M e a n B a s i n S l o p e f r o m 1 0 m D E M 3 1 p e r c e n t 7 .6 6 0 .2 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .4 4 i n c h e s 1 8 4 7 Peak-Flow Statistics Parameters  [12.2 Percent (12.4 square miles) Northwest Region Peak Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 1 0 1 s q u a r e m i l e s 1 5 2 5 0 E L 7 5 0 0 P e r c e n t a b o v e 7 5 0 0 f t 8 7 p e r c e n t 0 9 9 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .4 4 i n c h e s 8 4 9 Peak-Flow Statistics Flow Report  [87.8 Percent (88.8 square miles) Mountain Region Peak Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p 5 0 -p e r c e n t A E P f l o o d 8 1 6 f t ^3 /s 4 9 2 0 -p e r c e n t A E P f l o o d 1 1 0 0 f t ^3 /s 4 4  8/28/23, 3:08 PM StreamStats https://streamstats.usgs.gov/ss/3/10 S t a t i s t i c Va l u e U n i t A S E p 1 0 -p e r c e n t A E P f l o o d 1 3 0 0 f t ^3 /s 4 1 4 -p e r c e n t A E P f l o o d 1 4 6 0 f t ^3 /s 4 0 2 -p e r c e n t A E P f l o o d 1 7 1 0 f t ^3 /s 3 9 1 -p e r c e n t A E P f l o o d 1 8 8 0 f t ^3 /s 3 6 0 .5 -p e r c e n t A E P f l o o d 2 0 1 0 f t ^3 /s 3 6 0 .2 -p e r c e n t A E P f l o o d 2 2 6 0 f t ^3 /s 3 3 Peak-Flow Statistics Flow Report  [12.2 Percent (12.4 square miles) Northwest Region Peak Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p 5 0 -p e r c e n t A E P f l o o d 5 9 6 f t ^3 /s 1 1 3 2 0 -p e r c e n t A E P f l o o d 9 5 1 f t ^3 /s 8 8 1 0 -p e r c e n t A E P f l o o d 1 1 7 0 f t ^3 /s 7 9 4 -p e r c e n t A E P f l o o d 1 5 1 0 f t ^3 /s 7 4 2 -p e r c e n t A E P f l o o d 1 7 4 0 f t ^3 /s 7 4 1 -p e r c e n t A E P f l o o d 2 0 4 0 f t ^3 /s 7 5 0 .5 -p e r c e n t A E P f l o o d 2 2 2 0 f t ^3 /s 7 6 0 .2 -p e r c e n t A E P f l o o d 2 6 2 0 f t ^3 /s 7 9 Peak-Flow Statistics Flow Report  [Area-Averaged] S t a t i s t i c Va l u e U n i t 5 0 -p e r c e n t A E P f l o o d 7 8 9 f t ^3 /s 2 0 -p e r c e n t A E P f l o o d 1 0 8 0 f t ^3 /s 1 0 -p e r c e n t A E P f l o o d 1 2 8 0 f t ^3 /s 4 -p e r c e n t A E P f l o o d 1 4 7 0 f t ^3 /s 2 -p e r c e n t A E P f l o o d 1 7 1 0 f t ^3 /s 1 -p e r c e n t A E P f l o o d 1 9 0 0 f t ^3 /s 0 .5 -p e r c e n t A E P f l o o d 2 0 4 0 f t ^3 /s 0 .2 -p e r c e n t A E P f l o o d 2 3 0 0 f t ^3 /s Peak-Flow Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u r a l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Flood-Volume Statistics Flood-Volume Statistics Parameters  [87.8 Percent (88.8 square miles) Mountain Region Max Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 1 0 1 s q u a r e m i l e s 1 1 0 6 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .4 4 i n c h e s 1 8 4 7  8/28/23, 3:08 PM StreamStats https://streamstats.usgs.gov/ss/4/10 Flood-Volume Statistics Parameters  [12.2 Percent (12.4 square miles) Northwest Region Max Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 1 0 1 s q u a r e m i l e s 5 5 2 5 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .4 4 i n c h e s 8 4 9 E L 7 5 0 0 P e r c e n t a b o v e 7 5 0 0 f t 8 7 p e r c e n t 0 9 9 Flood-Volume Statistics Flow Report  [87.8 Percent (88.8 square miles) Mountain Region Max Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c V a l u e U n i t A S E p 7 D a y 2 Y e a r M a x i m u m 5 8 7 f t ^3 /s 4 6 7 D a y 1 0 Y e a r M a x i m u m 9 7 5 f t ^3 /s 3 5 7 D a y 5 0 Y e a r M a x i m u m 1 3 0 0 f t ^3 /s 3 1 Flood-Volume Statistics Flow Report  [12.2 Percent (12.4 square miles) Northwest Region Max Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c V a l u e U n i t A S E p 7 D a y 2 Y e a r M a x i m u m 4 9 7 f t ^3 /s 8 6 7 D a y 1 0 Y e a r M a x i m u m 8 2 3 f t ^3 /s 5 9 7 D a y 5 0 Y e a r M a x i m u m 1 1 8 0 f t ^3 /s 5 1 Flood-Volume Statistics Flow Report  [Area-Averaged] S t a t i s t i c Va l u e U n i t 7 D a y 2 Y e a r M a x i m u m 5 7 6 f t ^3 /s 7 D a y 1 0 Y e a r M a x i m u m 9 5 6 f t ^3 /s 7 D a y 5 0 Y e a r M a x i m u m 1 2 9 0 f t ^3 /s Flood-Volume Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u r a l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Low-Flow Statistics Low-Flow Statistics Parameters  [87.8 Percent (88.8 square miles) Mountain Region Min Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 1 0 1 s q u a r e m i l e s 1 1 0 6 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .4 4 i n c h e s 1 8 4 7 E L E V M e a n B a s i n E l e v a t i o n 9 0 9 9 f e e t 8 6 0 0 1 2 0 0 0 Low-Flow Statistics Parameters  [12.2 Percent (12.4 square miles) Northwest Region Min Flow] P a r a m e t e r C o d e P a r a m e t e r N a m e Va l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 1 0 1 s q u a r e m i l e s 5 5 2 5 0 E L E V M e a n B a s i n E l e v a t i o n 9 0 9 9 f e e t 6 8 8 0 1 0 4 8 0  8/28/23, 3:08 PM StreamStats https://streamstats.usgs.gov/ss/5/10 Low-Flow Statistics Flow Report  [87.8 Percent (88.8 square miles) Mountain Region Min Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c V a l u e U n i t A S E p 7 D a y 2 Y e a r L o w F l o w 5 .6 5 f t ^3 /s 8 9 7 D a y 1 0 Y e a r L o w F l o w 3 .3 1 f t ^3 /s 1 5 3 7 D a y 5 0 Y e a r L o w F l o w 4 .6 2 f t ^3 /s 1 2 6 Low-Flow Statistics Flow Report  [12.2 Percent (12.4 square miles) Northwest Region Min Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c V a l u e U n i t A S E p 7 D a y 2 Y e a r L o w F l o w 6 .6 5 f t ^3 /s 2 1 2 7 D a y 1 0 Y e a r L o w F l o w 3 .7 8 f t ^3 /s 2 8 0 7 D a y 5 0 Y e a r L o w F l o w 2 .7 6 f t ^3 /s 3 3 8 Low-Flow Statistics Flow Report  [Area-Averaged] S t a t i s t i c Va l u e U n i t 7 D a y 2 Y e a r L o w F l o w 5 .7 7 f t ^3 /s 7 D a y 1 0 Y e a r L o w F l o w 3 .3 7 f t ^3 /s 7 D a y 5 0 Y e a r L o w F l o w 4 .3 9 f t ^3 /s Low-Flow Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u r a l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Flow-Duration Statistics Flow-Duration Statistics Parameters  [87.8 Percent (88.8 square miles) Mountain Region Flow Duration] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 1 0 1 s q u a r e m i l e s 1 1 0 6 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .4 4 i n c h e s 1 8 4 7 Flow-Duration Statistics Parameters  [12.2 Percent (12.4 square miles) Northwest Region Flow Duration] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 1 0 1 s q u a r e m i l e s 1 5 2 5 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .4 4 i n c h e s 8 4 9 Flow-Duration Statistics Flow Report  [87.8 Percent (88.8 square miles) Mountain Region Flow Duration] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c V a l u e U n i t A S E p 1 0 P e r c e n t D u r a t i o n 2 9 4 f t ^3 /s 4 5 2 5 P e r c e n t D u r a t i o n 8 7 f t ^3 /s 5 5 5 0 P e r c e n t D u r a t i o n 3 2 f t ^3 /s 5 5  8/28/23, 3:08 PM StreamStats https://streamstats.usgs.gov/ss/6/10 S t a t i s t i c V a l u e U n i t A S E p 7 5 P e r c e n t D u r a t i o n 1 8 .7 f t ^3 /s 6 4 9 0 P e r c e n t D u r a t i o n 1 3 .4 f t ^3 /s 8 5 Flow-Duration Statistics Flow Report  [12.2 Percent (12.4 square miles) Northwest Region Flow Duration] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c V a l u e U n i t A S E p 1 0 P e r c e n t D u r a t i o n 2 3 4 f t ^3 /s 7 3 2 5 P e r c e n t D u r a t i o n 6 5 .3 f t ^3 /s 7 7 5 0 P e r c e n t D u r a t i o n 2 7 .6 f t ^3 /s 8 3 7 5 P e r c e n t D u r a t i o n 1 5 .7 f t ^3 /s 1 0 0 9 0 P e r c e n t D u r a t i o n 9 .8 3 f t ^3 /s 1 5 4 Flow-Duration Statistics Flow Report  [Area-Averaged] S t a t i s t i c V a l u e U n i t 1 0 P e r c e n t D u r a t i o n 2 8 7 f t ^3 /s 2 5 P e r c e n t D u r a t i o n 8 4 .4 f t ^3 /s 5 0 P e r c e n t D u r a t i o n 3 1 .5 f t ^3 /s 7 5 P e r c e n t D u r a t i o n 1 8 .3 f t ^3 /s 9 0 P e r c e n t D u r a t i o n 1 3 f t ^3 /s Flow-Duration Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u r a l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Annual Flow Statistics Annual Flow Statistics Parameters  [87.8 Percent (88.8 square miles) Mountain Region Mean Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 1 0 1 s q u a r e m i l e s 1 1 0 6 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .4 4 i n c h e s 1 8 4 7 Annual Flow Statistics Parameters  [12.2 Percent (12.4 square miles) Northwest Region Mean Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 1 0 1 s q u a r e m i l e s 1 5 2 5 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .4 4 i n c h e s 8 4 9 Annual Flow Statistics Flow Report  [87.8 Percent (88.8 square miles) Mountain Region Mean Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p M e a n A n n u a l F l o w 1 0 3 f t ^3 /s 3 3  8/28/23, 3:08 PM StreamStats https://streamstats.usgs.gov/ss/7/10 Annual Flow Statistics Flow Report  [12.2 Percent (12.4 square miles) Northwest Region Mean Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p M e a n A n n u a l F l o w 7 8 .7 f t ^3 /s 5 5 Annual Flow Statistics Flow Report  [Area-Averaged] S t a t i s t i c Va l u e U n i t M e a n A n n u a l F l o w 1 0 0 f t ^3 /s Annual Flow Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u r a l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Monthly Flow Statistics Monthly Flow Statistics Parameters  [87.8 Percent (88.8 square miles) Mountain Region Mean Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 1 0 1 s q u a r e m i l e s 1 1 0 6 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .4 4 i n c h e s 1 8 4 7 Monthly Flow Statistics Parameters  [12.2 Percent (12.4 square miles) Northwest Region Mean Flow] P a r a m e t e r C o d e P a ra m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 1 0 1 s q u a r e m i l e s 1 5 2 5 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 3 1 .4 4 i n c h e s 8 4 9 Monthly Flow Statistics Flow Report  [87.8 Percent (88.8 square miles) Mountain Region Mean Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p J a n u a r y M e a n F l o w 2 2 .2 f t ^3 /s 5 0 F e b r u a r y M e a n F l o w 2 0 .5 f t ^3 /s 5 1 M a r c h M e a n F l o w 2 4 f t ^3 /s 4 9 A p r i l M e a n F l o w 6 1 .8 f t ^3 /s 4 4 M a y M e a n F l o w 2 7 6 f t ^3 /s 4 6 J u n e M e a n F l o w 4 2 6 f t ^3 /s 4 6 J u l y M e a n F l o w 1 6 7 f t ^3 /s 7 6 A u g u s t M e a n F l o w 6 8 .2 f t ^3 /s 8 0 S e p t e m b e r M e a n F l o w 4 6 .7 f t ^3 /s 5 9 O c t o b e r M e a n F l o w 4 1 .6 f t ^3 /s 4 5 N o v e m b e r M e a n F l o w 3 0 .9 f t ^3 /s 4 6 D e c e m b e r M e a n F l o w 2 4 f t ^3 /s 4 7  8/28/23, 3:08 PM StreamStats https://streamstats.usgs.gov/ss/8/10 Monthly Flow Statistics Flow Report  [12.2 Percent (12.4 square miles) Northwest Region Mean Flow] P I l : P r e d i c t i o n I n t e r v a l -L o w e r, P I u : P re d i c t i o n I n t e r v a l -U p p e r, A S E p : Av e r a g e S t a n d a r d E r r o r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p J a n u a r y M e a n F l o w 1 9 .9 f t ^3 /s 8 5 F e b r u a r y M e a n F l o w 2 1 .8 f t ^3 /s 7 7 M a r c h M e a n F l o w 2 6 .9 f t ^3 /s 6 8 A p r i l M e a n F l o w 7 5 .3 f t ^3 /s 8 4 M a y M e a n F l o w 2 9 9 f t ^3 /s 7 1 J u n e M e a n F l o w 2 4 9 f t ^3 /s 8 0 J u l y M e a n F l o w 8 3 .3 f t ^3 /s 7 5 A u g u s t M e a n F l o w 4 1 .6 f t ^3 /s 9 0 S e p t e m b e r M e a n F l o w 3 5 .1 f t ^3 /s 1 0 4 O c t o b e r M e a n F l o w 3 2 .2 f t ^3 /s 9 4 N o v e m b e r M e a n F l o w 2 5 .6 f t ^3 /s 8 3 D e c e m b e r M e a n F l o w 1 9 .9 f t ^3 /s 7 9 Monthly Flow Statistics Flow Report  [Area-Averaged] S t a t i s t i c V a l u e U n i t J a n u a r y M e a n F l o w 2 1 .9 f t ^3 /s F e b r u a r y M e a n F l o w 2 0 .7 f t ^3 /s M a r c h M e a n F l o w 2 4 .4 f t ^3 /s A p r i l M e a n F l o w 6 3 .4 f t ^3 /s M a y M e a n F l o w 2 7 9 f t ^3 /s J u n e M e a n F l o w 4 0 4 f t ^3 /s J u l y M e a n F l o w 1 5 7 f t ^3 /s A u g u s t M e a n F l o w 6 5 f t ^3 /s S e p t e m b e r M e a n F l o w 4 5 .3 f t ^3 /s O c t o b e r M e a n F l o w 4 0 .5 f t ^3 /s N o v e m b e r M e a n F l o w 3 0 .3 f t ^3 /s D e c e m b e r M e a n F l o w 2 3 .5 f t ^3 /s Monthly Flow Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u r a l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Bankfull Statistics Bankfull Statistics Parameters  [Rocky Mountain System D Bieger 2015] P a r a m e t e r C o d e P a r a m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D ra i n a g e A r e a 1 0 1 s q u a r e m i l e s 0 .1 5 4 4 4 9 7 3 0 .1 0 6 1  8/28/23, 3:08 PM StreamStats https://streamstats.usgs.gov/ss/9/10 Bankfull Statistics Parameters  [Southern Rocky Mountains P Bieger 2015] P a r a m e t e r C o d e P a r a m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 1 0 1 s q u a r e m i l e s 1 .5 4 0 5 3 9 9 7 2 9 .9 4 3 9 3 8 Bankfull Statistics Parameters  [USA Bieger 2015] P a r a m e t e r C o d e P a r a m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D ra i n a g e A r e a 1 0 1 s q u a r e m i l e s 0 .0 7 7 2 2 5 9 9 2 7 .7 3 9 3 Bankfull Statistics Flow Report  [Rocky Mountain System D Bieger 2015] S t a t i s t i c V a l u e U n i t B i e g e r _D _c h a n n e l _w i d t h 4 5 .8 f t B i e g e r _D _c h a n n e l _d e p t h 2 .6 4 f t B i e g e r _D _c h a n n e l _c r o s s _s e c t i o n a l _a r e a 9 9 .1 f t ^2 Bankfull Statistics Flow Report  [Southern Rocky Mountains P Bieger 2015] S t a t i s t i c Va l u e U n i t B i e g e r _P _c h a n n e l _w i d t h 4 0 .3 f t B i e g e r _P _c h a n n e l _d e p t h 1 .9 f t B i e g e r _P _c h a n n e l _c r o s s _s e c t i o n a l _a r e a 6 5 .8 f t ^2 Bankfull Statistics Flow Report  [USA Bieger 2015] S t a t i s t i c V a l u e U n i t B i e g e r _U S A _c h a n n e l _w i d t h 6 2 .9 f t B i e g e r _U S A _c h a n n e l _d e p t h 3 .2 2 f t B i e g e r _U S A _c h a n n e l _c r o s s _s e c t i o n a l _a r e a 2 0 7 f t ^2 Bankfull Statistics Flow Report  [Area-Averaged] S t a t i s t i c V a l u e U n i t B i e g e r _D _c h a n n e l _w i d t h 4 5 .8 f t B i e g e r _D _c h a n n e l _d e p t h 2 .6 4 f t B i e g e r _D _c h a n n e l _c r o s s _s e c t i o n a l _a r e a 9 9 .1 f t ^2 B i e g e r _P _c h a n n e l _w i d t h 4 0 .3 f t B i e g e r _P _c h a n n e l _d e p t h 1 .9 f t B i e g e r _P _c h a n n e l _c r o s s _s e c t i o n a l _a r e a 6 5 .8 f t ^2 B i e g e r _U S A _c h a n n e l _w i d t h 6 2 .9 f t B i e g e r _U S A _c h a n n e l _d e p t h 3 .2 2 f t B i e g e r _U S A _c h a n n e l _c r o s s _s e c t i o n a l _a r e a 2 0 7 f t ^2 Bankfull Statistics Citations B i e g e r, K a t r i n ; R a t h j e n s , H e n d r i k ; A l l e n , P e t e r M .; a n d A r n o l d , J e f f r e y G .,2 0 1 5 , D e v e l o p m e n t a n d E v a l u a t i o n o f B a n k f u l l H y d r a u l i c G e o m e t r y R e l a t i o n s h i p s f o r t h e P h y s i o g r a p h i c R e g i o n s o f t h e U n i t e d S t a t e s , P u b l i c a t i o n s f r o m U S D A -A R S / U N L F a c u l t y, 1 7 p . (h t t p s ://d i g i t a l c o m m o n s .u n l .e d u /u s d a a r s f a c p u b /1 5 1 5 ? u t m _s o u r c e =d i g i t a l c o m m o n s .u n l .e d u %2 F u s d a a r s f a c p u b %2 F 1 5 1 5 &u t m _m e d i u m =P D F &u t m _c a m p a i g n =P D F C o v e r P a g e s ) 8/28/23, 3:08 PM StreamStats https://streamstats.usgs.gov/ss/10/10   Maximum Probable Flood Statistics Maximum Probable Flood Statistics Parameters  [Crippen Bue Region 13] P a r a m e t e r C o d e P a r a m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 1 0 1 s q u a r e m i l e s 0 .1 1 0 0 0 0 Maximum Probable Flood Statistics Flow Report  [Crippen Bue Region 13] S t a t i s t i c V a l u e U n i t M a x i m u m F l o o d C r i p p e n B u e R e g i o n a l 9 6 3 0 0 f t ^3 /s Maximum Probable Flood Statistics Citations C r i p p e n , J .R . a n d B u e , C o n ra d D.1 9 7 7 , M a x i m u m F l o o d f l o w s i n t h e C o n t e r m i n o u s U n i t e d S t a t e s , G e o l o g i c a l S u r v e y W a t e r - S u p p l y P a p e r 1 8 8 7 , 5 2 p . (h t t p s ://p u b s .u s g s .g o v /w s p /1 8 8 7 /r e p o r t .p d f ) USGS Data Disclaimer: Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data for other purposes, nor on all computer systems, nor shall the act of distribution constitute any such warranty. USGS Software Disclaimer: This software has been approved for release by the U.S. Geological Survey (USGS). Although the software has been subjected to rigorous review, the USGS reserves the right to update the software as needed pursuant to further analysis and review. No warranty, expressed or implied, is made by the USGS or the U.S. Government as to the functionality of the software and related material nor shall the fact of release constitute any such warranty. Furthermore, the software is released on condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use. USGS Product Names Disclaimer : Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Application Version: 4.16.1 StreamStats Services Version: 1.2.22 NSS Services Version: 2.2.1  10/30/23, 5:23 PM StreamStats https://streamstats.usgs.gov/ss/1/10 StreamStats Report  Collapse All   Basin Characteristics P a r a m e t e r C o d e P a r a m e t e r D e s c r i p t i o n Va l u e U n i t B S L D E M 1 0 M M e a n b a s i n s l o p e c o m p u t e d f r o m 1 0 m D E M 3 0 p e r c e n t C S L 1 0 8 5 L F P C h a n g e i n e l e v a t i o n d i v i d e d b y l e n g t h b e t w e e n p o i n t s 1 0 a n d 8 5 p e r c e n t o f d i s t a n c e a l o n g t h e l o n g e s t f l o w p a t h t o t h e b a s i n d i v i d e , L F P f r o m 2 D g r i d 2 3 2 .2 f e e t p e r m i D R N A R E A A r e a t h a t d r a i n s t o a p o i n t o n a s t r e a m 1 3 3 s q u a r e m i l e s E L 7 5 0 0 P e r c e n t o f a r e a a b o v e 7 5 0 0 f t 7 4 p e r c e n t E L E V M e a n B a s i n E l e v a t i o n 8 6 2 1 f e e t E L E V M A X M a x i m u m b a s i n e l e v a t i o n 1 1 5 0 0 f e e t I 2 4 H 1 0 0 Y M a x i m u m 2 4 -h o u r p r e c i p i t a t i o n t h a t o c c u r s o n a v e r a g e o n c e i n 1 0 0 y e a r s 3 .1 9 i n c h e s I 2 4 H 2 Y M a x i m u m 2 4 -h o u r p r e c i p i t a t i o n t h a t o c c u r s o n a v e r a g e o n c e i n 2 y e a r s - E q u i v a l e n t t o p r e c i p i t a t i o n i n t e n s i t y i n d e x 1 .4 8 i n c h e s I 6 H 1 0 0 Y 6 -h o u r p r e c i p i t a t i o n t h a t i s e x p e c t e d t o o c c u r o n a v e ra g e o n c e i n 1 0 0 y e a r s 2 .0 2 i n c h e s I 6 H 2 Y M a x i m u m 6 -h o u r p r e c i p i t a t i o n t h a t o c c u r s o n a v e r a g e o n c e i n 2 y e a r s 0 .9 6 i n c h e s L AT _O U T L a t i t u d e o f B a s i n O u t l e t 3 9 .5 9 7 0 5 5 d e g r e e s LC 1 1 B A R E P e r c e n t a g e o f b a r r e n f r o m N LC D 2 0 1 1 c l a s s 3 1 0 .2 p e r c e n t LC 1 1 C R P H AY P e r c e n t a g e o f c u l t i v a t e d c ro p s a n d h a y, c l a s s e s 8 1 a n d 8 2 , f r o m N L C D 2 0 1 1 3 .7 p e r c e n t LC 1 1 D E V P e r c e n t a g e o f d e v e l o p e d (u r b a n ) l a n d f r o m N L C D 2 0 1 1 c l a s s e s 2 1 -2 4 0 .3 p e r c e n t LC 1 1 F O R E S T P e r c e n t a g e o f f o r e s t f r o m N LC D 2 0 1 1 c l a s s e s 4 1 -4 3 5 9 .2 p e r c e n t LC 1 1 G R A S S P e r c e n t o f a r e a c o v e r e d b y g ra s s l a n d /h e r b a c e o u s u s i n g 2 0 1 1 N LC D 2 0 .7 p e r c e n t LC 1 1 I M P Av e ra g e p e r c e n t a g e o f i m p e r v i o u s a r e a d e t e r m i n e d f ro m N LC D 2 0 1 1 i m p e r v i o u s d a t a s e t 1 .2 p e r c e n t LC 1 1 S H R U B P e r c e n t o f a r e a c o v e r e d b y s h r u b l a n d u s i n g 2 0 1 1 N LC D 1 1 .5 p e r c e n t R e g i o n I D :C O W o r k s p a c e I D :C O 2 0 2 3 1 0 3 0 2 2 3 8 1 5 5 5 9 0 0 0 C l i c k e d P o i n t (L a t i t u d e , L o n g i t u d e ):3 9 .5 9 7 0 3 , -1 0 7 .5 7 1 4 2 T i m e :2 0 2 3 -1 0 -3 0 1 6 :3 8 :3 6 -0 6 0 0   10/30/23, 5:23 PM StreamStats https://streamstats.usgs.gov/ss/2/10 P a r a m e t e r C o d e P a r a m e t e r D e s c r i p t i o n Va l u e U n i t LC 1 1 S N O I C P e r c e n t s n o w a n d i c e f r o m N LC D 2 0 1 1 c l a s s 1 2 0 p e r c e n t LC 1 1 W AT E R P e r c e n t o f o p e n w a t e r, c l a s s 1 1 , f r o m N L C D 2 0 1 1 0 .1 p e r c e n t LC 1 1 W E T L N D P e r c e n t a g e o f w e t l a n d s , c l a s s e s 9 0 a n d 9 5 , f r o m N L C D 2 0 1 1 1 p e r c e n t L F P L E N G T H L e n g t h o f l o n g e s t f l o w p a t h 2 4 .3 m i l e s LO N G _O U T L o n g i t u d e o f B a s i n O u t l e t -1 0 7 .5 7 1 4 2 7 d e g r e e s M I N B E L E V M i n i m u m b a s i n e l e v a t i o n 5 6 9 0 f e e t O U T L E T E L E V E l e v a t i o n o f t h e s t r e a m o u t l e t i n f e e t a b o v e N AV D 8 8 5 6 9 4 f e e t P R E C I P M e a n A n n u a l P re c i p i t a t i o n 2 8 .6 4 i n c h e s R C N R u n o f f -c u r v e n u m b e r a s d e f i n e d b y N R C S (h t t p ://p o l i c y.n r c s .u s d a .g o v /O p e n N o n W e b C o n t e n t .a s p x ?c o n t e n t =1 7 7 5 8 .w b a ) 7 3 .5 4 d i m e n s i o n l e s s R U N C O _C O S o i l r u n o f f c o e f f i c i e n t a s d e f i n e d b y Ve r d i n a n d G r o s s (2 0 1 7 )0 .4 1 d i m e n s i o n l e s s S S U R G O A P e r c e n t a g e o f a r e a o f H y d ro l o g i c S o i l Ty p e A f r o m S S U R G O 1 .8 2 p e r c e n t S S U R G O B P e r c e n t a g e o f a r e a o f H y d ro l o g i c S o i l Ty p e B f r o m S S U R G O 3 .0 7 p e r c e n t S S U R G O C P e r c e n t a g e o f a r e a o f H y d ro l o g i c S o i l Ty p e C f r o m S S U R G O 9 .1 1 p e r c e n t S S U R G O D P e r c e n t a g e o f a r e a o f H y d ro l o g i c S o i l Ty p e D f r o m S S U R G O 7 .7 5 p e r c e n t S TATS C L AY P e r c e n t a g e o f c l a y s o i l s f ro m S TAT S G O 2 5 .6 6 p e r c e n t S T O R N H D P e r c e n t s to r a g e (w e t l a n d s a n d w a t e r b o d i e s ) d e t e r m i n e d f r o m 1 :2 4 K N H D 0 .1 p e r c e n t TO C T i m e o f c o n c e n t ra t i o n i n h o u r s 5 .6 9 h o u r s   Peak-Flow Statistics Peak-Flow Statistics Parameters  [74.5 Percent (98.9 square miles) Mountain Region Peak Flow] P a r a m e t e r C o d e P a r a m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 1 3 3 s q u a r e m i l e s 1 1 0 6 0 B S L D E M 1 0 M M e a n B a s i n S l o p e f r o m 1 0 m D E M 3 0 p e r c e n t 7 .6 6 0 .2 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 2 8 .6 4 i n c h e s 1 8 4 7 Peak-Flow Statistics Parameters  [25.5 Percent (33.8 square miles) Northwest Region Peak Flow] P a r a m e t e r C o d e P a r a m e t e r N a m e Va l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 1 3 3 s q u a r e m i l e s 1 5 2 5 0 E L 7 5 0 0 P e r c e n t a b o v e 7 5 0 0 f t 7 4 p e rc e n t 0 9 9 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 2 8 .6 4 i n c h e s 8 4 9 Peak-Flow Statistics Flow Report  [74.5 Percent (98.9 square miles) Mountain Region Peak Flow] P I L : L o w e r 9 0 % P r e d i c t i o n I n t e r v a l , P I U : U p p e r 9 0 % P r e d i c t i o n I n t e r v a l , A S E p : A v e r a g e S t a n d a r d E r ro r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p 5 0 -p e r c e n t A E P f l o o d 8 2 7 f t ^3 /s 4 9 2 0 -p e r c e n t A E P f l o o d 1 1 4 0 f t ^3 /s 4 4 1 0 -p e r c e n t A E P f l o o d 1 3 6 0 f t ^3 /s 4 1 4 -p e rc e n t A E P f l o o d 1 5 4 0 f t ^3 /s 4 0 2 -p e rc e n t A E P f l o o d 1 8 3 0 f t ^3 /s 3 9 1 -p e rc e n t A E P f l o o d 2 0 3 0 f t ^3 /s 3 6  10/30/23, 5:23 PM StreamStats https://streamstats.usgs.gov/ss/3/10 S t a t i s t i c Va l u e U n i t A S E p 0 .5 -p e r c e n t A E P f l o o d 2 1 9 0 f t ^3 /s 3 6 0 .2 -p e r c e n t A E P f l o o d 2 4 8 0 f t ^3 /s 3 3 Peak-Flow Statistics Flow Report  [25.5 Percent (33.8 square miles) Northwest Region Peak Flow] P I L : L o w e r 9 0 % P r e d i c t i o n I n t e r v a l , P I U : U p p e r 9 0 % P r e d i c t i o n I n t e r v a l , A S E p : A v e r a g e S t a n d a r d E r ro r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p 5 0 -p e r c e n t A E P f l o o d 6 4 1 f t ^3 /s 1 1 3 2 0 -p e r c e n t A E P f l o o d 1 0 6 0 f t ^3 /s 8 8 1 0 -p e r c e n t A E P f l o o d 1 3 3 0 f t ^3 /s 7 9 4 -p e rc e n t A E P f l o o d 1 7 6 0 f t ^3 /s 7 4 2 -p e rc e n t A E P f l o o d 2 0 6 0 f t ^3 /s 7 4 1 -p e rc e n t A E P f l o o d 2 4 4 0 f t ^3 /s 7 5 0 .5 -p e r c e n t A E P f l o o d 2 6 9 0 f t ^3 /s 7 6 0 .2 -p e r c e n t A E P f l o o d 3 2 1 0 f t ^3 /s 7 9 Peak-Flow Statistics Flow Report  [Area-Averaged] S t a t i s t i c Va l u e U n i t 5 0 -p e r c e n t A E P f l o o d 7 8 0 f t ^3 /s 2 0 -p e r c e n t A E P f l o o d 1 1 2 0 f t ^3 /s 1 0 -p e r c e n t A E P f l o o d 1 3 5 0 f t ^3 /s 4 -p e rc e n t A E P f l o o d 1 6 0 0 f t ^3 /s 2 -p e rc e n t A E P f l o o d 1 8 9 0 f t ^3 /s 1 -p e rc e n t A E P f l o o d 2 1 3 0 f t ^3 /s 0 .5 -p e r c e n t A E P f l o o d 2 3 2 0 f t ^3 /s 0 .2 -p e r c e n t A E P f l o o d 2 6 7 0 f t ^3 /s Peak-Flow Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u ra l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Low-Flow Statistics Low-Flow Statistics Parameters  [74.5 Percent (98.9 square miles) Mountain Region Min Flow] P a r a m e t e r C o d e P a r a m e t e r N a m e Va l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 1 3 3 s q u a r e m i l e s 1 1 0 6 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 2 8 .6 4 i n c h e s 1 8 4 7 E L E V M e a n B a s i n E l e v a t i o n 8 6 2 1 f e e t 8 6 0 0 1 2 0 0 0 Low-Flow Statistics Parameters  [25.5 Percent (33.8 square miles) Northwest Region Min Flow] P a r a m e t e r C o d e P a r a m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D ra i n a g e A r e a 1 3 3 s q u a r e m i l e s 5 5 2 5 0 E L E V M e a n B a s i n E l e v a t i o n 8 6 2 1 f e e t 6 8 8 0 1 0 4 8 0  10/30/23, 5:23 PM StreamStats https://streamstats.usgs.gov/ss/4/10 Low-Flow Statistics Flow Report  [74.5 Percent (98.9 square miles) Mountain Region Min Flow] P I L : L o w e r 9 0 % P r e d i c t i o n I n t e r v a l , P I U : U p p e r 9 0 % P r e d i c t i o n I n t e r v a l , A S E p : A v e r a g e S t a n d a r d E r ro r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p 7 D a y 2 Ye a r L o w F l o w 5 f t ^3 /s 8 9 7 D a y 1 0 Ye a r L o w F l o w 2 .5 3 f t ^3 /s 1 5 3 7 D a y 5 0 Ye a r L o w F l o w 4 .4 2 f t ^3 /s 1 2 6 Low-Flow Statistics Flow Report  [25.5 Percent (33.8 square miles) Northwest Region Min Flow] P I L : L o w e r 9 0 % P r e d i c t i o n I n t e r v a l , P I U : U p p e r 9 0 % P r e d i c t i o n I n t e r v a l , A S E p : A v e r a g e S t a n d a r d E r ro r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p 7 D a y 2 Ye a r L o w F l o w 5 .2 6 f t ^3 /s 2 1 2 7 D a y 1 0 Ye a r L o w F l o w 2 .9 1 f t ^3 /s 2 8 0 7 D a y 5 0 Ye a r L o w F l o w 2 .2 2 f t ^3 /s 3 3 8 Low-Flow Statistics Flow Report  [Area-Averaged] S t a t i s t i c Va l u e U n i t 7 D a y 2 Ye a r L o w F l o w 5 .0 7 f t ^3 /s 7 D a y 1 0 Ye a r L o w F l o w 2 .6 3 f t ^3 /s 7 D a y 5 0 Ye a r L o w F l o w 3 .8 6 f t ^3 /s Low-Flow Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u ra l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Annual Flow Statistics Annual Flow Statistics Parameters  [74.5 Percent (98.9 square miles) Mountain Region Mean Flow] P a r a m e t e r C o d e P a r a m e t e r N a m e Va l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 1 3 3 s q u a r e m i l e s 1 1 0 6 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 2 8 .6 4 i n c h e s 1 8 4 7 Annual Flow Statistics Parameters  [25.5 Percent (33.8 square miles) Northwest Region Mean Flow] P a r a m e t e r C o d e P a r a m e t e r N a m e Va l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 1 3 3 s q u a r e m i l e s 1 5 2 5 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 2 8 .6 4 i n c h e s 8 4 9 Annual Flow Statistics Flow Report  [74.5 Percent (98.9 square miles) Mountain Region Mean Flow] P I L : L o w e r 9 0 % P r e d i c t i o n I n t e r v a l , P I U : U p p e r 9 0 % P r e d i c t i o n I n t e r v a l , A S E p : A v e r a g e S t a n d a r d E r ro r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p M e a n A n n u a l F l o w 1 1 2 f t ^3 /s 3 3 Annual Flow Statistics Flow Report  [25.5 Percent (33.8 square miles) Northwest Region Mean Flow] P I L : L o w e r 9 0 % P r e d i c t i o n I n t e r v a l , P I U : U p p e r 9 0 % P r e d i c t i o n I n t e r v a l , A S E p : A v e r a g e S t a n d a r d E r ro r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t )  10/30/23, 5:23 PM StreamStats https://streamstats.usgs.gov/ss/5/10 S t a t i s t i c Va l u e U n i t A S E p M e a n A n n u a l F l o w 7 5 f t ^3 /s 5 5 Annual Flow Statistics Flow Report  [Area-Averaged] S t a t i s t i c V a l u e U n i t M e a n A n n u a l F l o w 1 0 3 f t ^3 /s Annual Flow Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u ra l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Monthly Flow Statistics Monthly Flow Statistics Parameters  [74.5 Percent (98.9 square miles) Mountain Region Mean Flow] P a r a m e t e r C o d e P a r a m e t e r N a m e Va l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 1 3 3 s q u a r e m i l e s 1 1 0 6 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 2 8 .6 4 i n c h e s 1 8 4 7 Monthly Flow Statistics Parameters  [25.5 Percent (33.8 square miles) Northwest Region Mean Flow] P a r a m e t e r C o d e P a r a m e t e r N a m e Va l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 1 3 3 s q u a r e m i l e s 1 5 2 5 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 2 8 .6 4 i n c h e s 8 4 9 Monthly Flow Statistics Flow Report  [74.5 Percent (98.9 square miles) Mountain Region Mean Flow] P I L : L o w e r 9 0 % P r e d i c t i o n I n t e r v a l , P I U : U p p e r 9 0 % P r e d i c t i o n I n t e r v a l , A S E p : A v e r a g e S t a n d a r d E r ro r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p J a n u a r y M e a n F l o w 2 5 .4 f t ^3 /s 5 0 F e b r u a r y M e a n F l o w 2 3 .6 f t ^3 /s 5 1 M a rc h M e a n F l o w 2 8 .2 f t ^3 /s 4 9 A p r i l M e a n F l o w 7 2 .5 f t ^3 /s 4 4 M a y M e a n F l o w 3 1 2 f t ^3 /s 4 6 J u n e M e a n F l o w 4 6 4 f t ^3 /s 4 6 J u l y M e a n F l o w 1 7 1 f t ^3 /s 7 6 A u g u s t M e a n F l o w 7 2 .1 f t ^3 /s 8 0 S e p t e m b e r M e a n F l o w 5 0 .7 f t ^3 /s 5 9 O c t o b e r M e a n F l o w 4 5 .2 f t ^3 /s 4 5 N o v e m b e r M e a n F l o w 3 4 .3 f t ^3 /s 4 6 D e c e m b e r M e a n F l o w 2 7 .4 f t ^3 /s 4 7 Monthly Flow Statistics Flow Report  [25.5 Percent (33.8 square miles) Northwest Region Mean Flow] P I L : L o w e r 9 0 % P r e d i c t i o n I n t e r v a l , P I U : U p p e r 9 0 % P r e d i c t i o n I n t e r v a l , A S E p : A v e r a g e S t a n d a r d E r ro r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p J a n u a r y M e a n F l o w 2 0 .8 f t ^3 /s 8 5 F e b r u a r y M e a n F l o w 2 3 .7 f t ^3 /s 7 7  10/30/23, 5:23 PM StreamStats https://streamstats.usgs.gov/ss/6/10 S t a t i s t i c Va l u e U n i t A S E p M a rc h M e a n F l o w 2 9 .5 f t ^3 /s 6 8 A p r i l M e a n F l o w 7 6 .1 f t ^3 /s 8 4 M a y M e a n F l o w 2 8 4 f t ^3 /s 7 1 J u n e M e a n F l o w 2 0 9 f t ^3 /s 8 0 J u l y M e a n F l o w 7 8 .5 f t ^3 /s 7 5 A u g u s t M e a n F l o w 4 3 .5 f t ^3 /s 9 0 S e p t e m b e r M e a n F l o w 3 9 .1 f t ^3 /s 1 0 4 O c t o b e r M e a n F l o w 3 3 .6 f t ^3 /s 9 4 N o v e m b e r M e a n F l o w 2 7 f t ^3 /s 8 3 D e c e m b e r M e a n F l o w 2 1 .2 f t ^3 /s 7 9 Monthly Flow Statistics Flow Report  [Area-Averaged] S t a t i s t i c V a l u e U n i t J a n u a r y M e a n F l o w 2 4 .2 f t ^3 /s F e b r u a r y M e a n F l o w 2 3 .6 f t ^3 /s M a rc h M e a n F l o w 2 8 .5 f t ^3 /s A p r i l M e a n F l o w 7 3 .4 f t ^3 /s M a y M e a n F l o w 3 0 5 f t ^3 /s J u n e M e a n F l o w 3 9 9 f t ^3 /s J u l y M e a n F l o w 1 4 7 f t ^3 /s A u g u s t M e a n F l o w 6 4 .8 f t ^3 /s S e p t e m b e r M e a n F l o w 4 7 .7 f t ^3 /s O c t o b e r M e a n F l o w 4 2 .2 f t ^3 /s N o v e m b e r M e a n F l o w 3 2 .4 f t ^3 /s D e c e m b e r M e a n F l o w 2 5 .8 f t ^3 /s Monthly Flow Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u ra l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Flow-Duration Statistics Flow-Duration Statistics Parameters  [74.5 Percent (98.9 square miles) Mountain Region Flow Duration] P a r a m e t e r C o d e P a r a m e t e r N a m e Va l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 1 3 3 s q u a r e m i l e s 1 1 0 6 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 2 8 .6 4 i n c h e s 1 8 4 7 Flow-Duration Statistics Parameters  [25.5 Percent (33.8 square miles) Northwest Region Flow Duration] P a r a m e t e r C o d e P a r a m e t e r N a m e Va l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 1 3 3 s q u a r e m i l e s 1 5 2 5 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 2 8 .6 4 i n c h e s 8 4 9 Flow-Duration Statistics Flow Report  [74.5 Percent (98.9 square miles) Mountain Region Flow Duration] P I L : L o w e r 9 0 % P r e d i c t i o n I n t e r v a l , P I U : U p p e r 9 0 % P r e d i c t i o n I n t e r v a l , A S E p : A v e r a g e S t a n d a r d E r ro r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t )  10/30/23, 5:23 PM StreamStats https://streamstats.usgs.gov/ss/7/10 S t a t i s t i c Va l u e U n i t A S E p 1 0 P e r c e n t D u ra t i o n 3 0 5 f t ^3 /s 4 5 2 5 P e r c e n t D u ra t i o n 9 4 .7 f t ^3 /s 5 5 5 0 P e r c e n t D u ra t i o n 3 6 .5 f t ^3 /s 5 5 7 5 P e r c e n t D u ra t i o n 2 1 .6 f t ^3 /s 6 4 9 0 P e r c e n t D u ra t i o n 1 5 .6 f t ^3 /s 8 5 Flow-Duration Statistics Flow Report  [25.5 Percent (33.8 square miles) Northwest Region Flow Duration] P I L : L o w e r 9 0 % P r e d i c t i o n I n t e r v a l , P I U : U p p e r 9 0 % P r e d i c t i o n I n t e r v a l , A S E p : A v e r a g e S t a n d a r d E r ro r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c Va l u e U n i t A S E p 1 0 P e r c e n t D u ra t i o n 2 0 9 f t ^3 /s 7 3 2 5 P e r c e n t D u ra t i o n 6 1 .7 f t ^3 /s 7 7 5 0 P e r c e n t D u ra t i o n 2 6 .3 f t ^3 /s 8 3 7 5 P e r c e n t D u ra t i o n 1 4 .5 f t ^3 /s 1 0 0 9 0 P e r c e n t D u ra t i o n 8 .4 1 f t ^3 /s 1 5 4 Flow-Duration Statistics Flow Report  [Area-Averaged] S t a t i s t i c Va l u e U n i t 1 0 P e r c e n t D u ra t i o n 2 8 1 f t ^3 /s 2 5 P e r c e n t D u ra t i o n 8 6 .3 f t ^3 /s 5 0 P e r c e n t D u ra t i o n 3 3 .9 f t ^3 /s 7 5 P e r c e n t D u ra t i o n 1 9 .8 f t ^3 /s 9 0 P e r c e n t D u ra t i o n 1 3 .8 f t ^3 /s Flow-Duration Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u ra l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Flood-Volume Statistics Flood-Volume Statistics Parameters  [74.5 Percent (98.9 square miles) Mountain Region Max Flow] P a r a m e t e r C o d e P a r a m e t e r N a m e Va l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 1 3 3 s q u a r e m i l e s 1 1 0 6 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 2 8 .6 4 i n c h e s 1 8 4 7 Flood-Volume Statistics Parameters  [25.5 Percent (33.8 square miles) Northwest Region Max Flow] P a r a m e t e r C o d e P a r a m e t e r N a m e Va l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 1 3 3 s q u a r e m i l e s 5 5 2 5 0 P R E C I P M e a n A n n u a l P r e c i p i t a t i o n 2 8 .6 4 i n c h e s 8 4 9 E L 7 5 0 0 P e r c e n t a b o v e 7 5 0 0 f t 7 4 p e rc e n t 0 9 9 Flood-Volume Statistics Flow Report  [74.5 Percent (98.9 square miles) Mountain Region Max Flow] P I L : L o w e r 9 0 % P r e d i c t i o n I n t e r v a l , P I U : U p p e r 9 0 % P r e d i c t i o n I n t e r v a l , A S E p : A v e r a g e S t a n d a r d E r ro r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c V a l u e U n i t A S E p 7 D a y 2 Ye a r M a x i m u m 6 0 5 f t ^3 /s 4 6  10/30/23, 5:23 PM StreamStats https://streamstats.usgs.gov/ss/8/10 S t a t i s t i c V a l u e U n i t A S E p 7 D a y 1 0 Ye a r M a x i m u m 1 0 4 0 f t ^3 /s 3 5 7 D a y 5 0 Ye a r M a x i m u m 1 4 2 0 f t ^3 /s 3 1 Flood-Volume Statistics Flow Report  [25.5 Percent (33.8 square miles) Northwest Region Max Flow] P I L : L o w e r 9 0 % P r e d i c t i o n I n t e r v a l , P I U : U p p e r 9 0 % P r e d i c t i o n I n t e r v a l , A S E p : A v e r a g e S t a n d a r d E r ro r o f P r e d i c t i o n , S E : S t a n d a r d E r r o r (o t h e r -- s e e r e p o r t ) S t a t i s t i c V a l u e U n i t A S E p 7 D a y 2 Ye a r M a x i m u m 3 8 6 f t ^3 /s 8 6 7 D a y 1 0 Ye a r M a x i m u m 6 9 7 f t ^3 /s 5 9 7 D a y 5 0 Ye a r M a x i m u m 1 0 6 0 f t ^3 /s 5 1 Flood-Volume Statistics Flow Report  [Area-Averaged] S t a t i s t i c Va l u e U n i t 7 D a y 2 Ye a r M a x i m u m 5 4 9 f t ^3 /s 7 D a y 1 0 Ye a r M a x i m u m 9 5 3 f t ^3 /s 7 D a y 5 0 Ye a r M a x i m u m 1 3 3 0 f t ^3 /s Flood-Volume Statistics Citations C a p e s i u s , J .P., a n d S t e p h e n s , V. C .,2 0 0 9 , R e g i o n a l R e g r e s s i o n E q u a t i o n s f o r E s t i m a t i o n o f N a t u ra l S t r e a m f l o w S t a t i s t i c s i n C o l o r a d o : U . S . G e o l o g i c a l S u r v e y S c i e n t i f i c I n v e s t i g a t i o n s R e p o r t 2 0 0 9 -5 1 3 6 , 3 2 p . (h t t p ://p u b s .u s g s .g o v /s i r /2 0 0 9 /5 1 3 6 /)   Bankfull Statistics Bankfull Statistics Parameters  [89.6 Percent (119 square miles) Rocky Mountain System D Bieger 2015] P a r a m e t e r C o d e P a r a m e t e r N a m e Va l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D ra i n a g e A r e a 1 3 3 s q u a r e m i l e s 0 .1 5 4 4 4 9 7 3 0 .1 0 6 1 Bankfull Statistics Parameters  [89.6 Percent (119 square miles) Southern Rocky Mountains P Bieger 2015] P a r a m e t e r C o d e P a ra m e t e r N a m e Va l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D ra i n a g e A r e a 1 3 3 s q u a r e m i l e s 1 .5 4 0 5 3 9 9 7 2 9 .9 4 3 9 3 8 Bankfull Statistics Parameters  [10.4 Percent (13.8 square miles) Intermontane Plateau D Bieger 2015] P a r a m e t e r C o d e P a r a m e t e r N a m e Va l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D ra i n a g e A r e a 1 3 3 s q u a r e m i l e s 3 .6 2 9 3 4 7 5 7 9 .9 1 5 2 Bankfull Statistics Parameters  [10.4 Percent (13.8 square miles) Colorado Plateau P Bieger 2015] P a r a m e t e r C o d e P a ra m e t e r N a m e Va l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D ra i n a g e A r e a 1 3 3 s q u a r e m i l e s 3 .6 2 1 6 1 8 3 6 4 9 .9 8 0 9 0 6 Bankfull Statistics Parameters  [USA Bieger 2015] P a r a m e t e r C o d e P a r a m e t e r N a m e Va l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D ra i n a g e A r e a 1 3 3 s q u a r e m i l e s 0 .0 7 7 2 2 5 9 9 2 7 .7 3 9 3  10/30/23, 5:23 PM StreamStats https://streamstats.usgs.gov/ss/9/10 Bankfull Statistics Flow Report  [89.6 Percent (119 square miles) Rocky Mountain System D Bieger 2015] S t a t i s t i c Va l u e U n i t B i e g e r _D _c h a n n e l _w i d t h 5 1 .7 f t B i e g e r _D _c h a n n e l _d e p t h 2 .8 1 f t B i e g e r _D _c h a n n e l _c ro s s _s e c t i o n a l _a r e a 1 2 0 f t ^2 Bankfull Statistics Flow Report  [89.6 Percent (119 square miles) Southern Rocky Mountains P Bieger 2015] S t a t i s t i c V a l u e U n i t B i e g e r _P _c h a n n e l _w i d t h 4 4 .2 f t B i e g e r _P _c h a n n e l _d e p t h 2 .0 1 f t B i e g e r _P _c h a n n e l _c r o s s _s e c t i o n a l _a re a 7 6 .1 f t ^2 Bankfull Statistics Flow Report  [10.4 Percent (13.8 square miles) Intermontane Plateau D Bieger 2015] S t a t i s t i c Va l u e U n i t B i e g e r _D _c h a n n e l _w i d t h 4 1 .1 f t B i e g e r _D _c h a n n e l _d e p t h 1 .5 7 f t B i e g e r _D _c h a n n e l _c ro s s _s e c t i o n a l _a r e a 6 0 .6 f t ^2 Bankfull Statistics Flow Report  [10.4 Percent (13.8 square miles) Colorado Plateau P Bieger 2015] S t a t i s t i c V a l u e U n i t B i e g e r _P _c h a n n e l _w i d t h 2 2 .1 f t B i e g e r _P _c h a n n e l _d e p t h 0 .9 6 1 f t B i e g e r _P _c h a n n e l _c r o s s _s e c t i o n a l _a re a 2 1 .7 f t ^2 Bankfull Statistics Flow Report  [USA Bieger 2015] S t a t i s t i c V a l u e U n i t B i e g e r _U S A _c h a n n e l _w i d t h 6 9 .3 f t B i e g e r _U S A _c h a n n e l _d e p t h 3 .4 2 f t B i e g e r _U S A _c h a n n e l _c r o s s _s e c t i o n a l _a r e a 2 4 0 f t ^2 Bankfull Statistics Flow Report  [Area-Averaged] S t a t i s t i c V a l u e U n i t B i e g e r _D _c h a n n e l _w i d t h 5 0 .6 f t B i e g e r _D _c h a n n e l _d e p t h 2 .6 8 f t B i e g e r _D _c h a n n e l _c ro s s _s e c t i o n a l _a r e a 1 1 4 f t ^2 B i e g e r _P _c h a n n e l _w i d t h 4 1 .9 f t B i e g e r _P _c h a n n e l _d e p t h 1 .9 f t B i e g e r _P _c h a n n e l _c r o s s _s e c t i o n a l _a re a 7 0 .4 f t ^2 B i e g e r _U S A _c h a n n e l _w i d t h 6 9 .3 f t B i e g e r _U S A _c h a n n e l _d e p t h 3 .4 2 f t B i e g e r _U S A _c h a n n e l _c r o s s _s e c t i o n a l _a r e a 2 4 0 f t ^2 Bankfull Statistics Citations B i e g e r, K a t r i n ; R a t h j e n s , H e n d r i k ; A l l e n , P e t e r M .; a n d A r n o l d , J e f f r e y G .,2 0 1 5 , D e v e l o p m e n t a n d Ev a l u a t i o n o f B a n k f u l l H y d r a u l i c G e o m e t r y R e l a t i o n s h i p s f o r t h e P h y s i o g r a p h i c R e g i o n s o f t h e U n i t e d S t a t e s , P u b l i c a t i o n s f ro m U S D A -A R S / U N L F a c u l t y, 1 7 p . 10/30/23, 5:23 PM StreamStats https://streamstats.usgs.gov/ss/10/10 (h t t p s ://d i g i t a l c o m m o n s .u n l .e d u /u s d a a r s f a c p u b /1 5 1 5 ? u t m _s o u r c e =d i g i t a l c o m m o n s .u n l .e d u %2 F u s d a a r s f a c p u b %2 F 1 5 1 5 &u t m _m e d i u m =P D F &u t m _c a m p a i g n =P D F C o v e r P a g e s )   Maximum Probable Flood Statistics Maximum Probable Flood Statistics Parameters  [Crippen Bue Region 13] P a r a m e t e r C o d e P a r a m e t e r N a m e V a l u e U n i t s M i n L i m i t M a x L i m i t D R N A R E A D r a i n a g e A r e a 1 3 3 s q u a r e m i l e s 0 .1 1 0 0 0 0 Maximum Probable Flood Statistics Flow Report  [Crippen Bue Region 13] S t a t i s t i c Va l u e U n i t M a x i m u m F l o o d C r i p p e n B u e R e g i o n a l 1 0 8 0 0 0 f t ^3 /s Maximum Probable Flood Statistics Citations C r i p p e n , J .R . a n d B u e , C o n ra d D.1 9 7 7 , M a x i m u m F l o o d f l o w s i n t h e C o n t e r m i n o u s U n i t e d S t a t e s , G e o l o g i c a l S u r v e y W a t e r -S u p p l y P a p e r 1 8 8 7 , 5 2 p . (h t t p s ://p u b s .u s g s .g o v /w s p /1 8 8 7 /r e p o r t .p d f ) USGS Data Disclaimer: Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data for other purposes, nor on all computer systems, nor shall the act of distribution constitute any such warranty. USGS Software Disclaimer: This software has been approved for release by the U.S. Geological Survey (USGS). Although the software has been subjected to rigorous review, the USGS reserves the right to update the software as needed pursuant to further analysis and review. No warranty, expressed or implied, is made by the USGS or the U.S. Government as to the functionality of the software and related material nor shall the fact of release constitute any such warranty. Furthermore, the software is released on condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use. USGS Product Names Disclaimer: Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Application Version: 4.18.1 StreamStats Services Version: 1.2.22 NSS Services Version: 2.2.1  StreamStats Report - 09087500 ELK CREEK AT NEW CASTLE  Collapse All   Basin Characteristics Parameter Code Parameter Description Value Unit BSLDEM10M Mean basin slope computed from 10 m DEM 32 percent DRNAREA Area that drains to a point on a stream 179 square miles EL7500 Percent of area above 7500 ft 72 percent ELEV Mean Basin Elevation 8651 feet PRECIP Mean Annual Precipitation 28.89 inches Region ID:CO Workspace ID:CO20230829164937403000 Clicked Point (Latitude, Longitude):39.57010, -107.53969 Time:2023-08-29 10:50:03 -0600   StreamStats https://streamstats.usgs.gov/ss/ 1 of 15 8/29/2023, 10:55 AM   Peak-Flow Statistics Peak-Flow Statistics Parameters  [72.8 Percent (130 square miles) Mountain Region Peak Flow] Parameter Code Parameter Name Value Units Min Limit Max Limit DRNAREA Drainage Area 179 square miles 1 1060 BSLDEM10M Mean Basin Slope from 10m DEM 32 percent 7.6 60 .2 PRECIP Mean Annual Precipitation 28.89 inches 18 47 Peak-Flow Statistics Parameters  [27.2 Percent (48.6 square miles) Northwest Region Peak Flow] Parameter Code Parameter Name Value Units Min Limit Max Limit DRNAREA Drainage Area 179 square miles 1 5250 EL7500 Percent above 7500 ft 72 percent 0 99 PRECIP Mean Annual Precipitation 28.89 inches 8 49 Peak-Flow Statistics Flow Report  [72.8 Percent (130 square miles) Mountain Region Peak Flow] PIl: Prediction Interval-Lower, PIu: Prediction Interval-Upper, ASEp: Average Standard Error of Prediction, SE: Standard Error (other -- see report) Statistic Value Unit ASEp 50-percent AEP flood 1070 ft^3/s 49 20-percent AEP flood 1470 ft^3/s 44 10-percent AEP flood 1750 ft^3/s 41 4-percent AEP flood 1970 ft^3/s 40 2-percent AEP flood 2340 ft^3/s 39 1-percent AEP flood 2580 ft^3/s 36 0.5-percent AEP flood 2790 ft^3/s 36 0.2-percent AEP flood 3150 ft^3/s 33  StreamStats https://streamstats.usgs.gov/ss/ 2 of 15 8/29/2023, 10:55 AM Peak-Flow Statistics Flow Report  [27.2 Percent (48.6 square miles) Northwest Region Peak Flow] PIl: Prediction Interval-Lower, PIu: Prediction Interval-Upper, ASEp: Average Standard Error of Prediction, SE: Standard Error (other -- see report) Statistic Value Unit ASEp 50-percent AEP flood 825 ft^3/s 113 20-percent AEP flood 1370 ft^3/s 88 10-percent AEP flood 1720 ft^3/s 79 4-percent AEP flood 2270 ft^3/s 74 2-percent AEP flood 2650 ft^3/s 74 1-percent AEP flood 3150 ft^3/s 75 0.5-percent AEP flood 3460 ft^3/s 76 0.2-percent AEP flood 4130 ft^3/s 79 Peak-Flow Statistics Flow Report  [Area-Averaged] Statistic Value Unit 50-percent AEP flood 1000 ft^3/s 20-percent AEP flood 1440 ft^3/s 10-percent AEP flood 1740 ft^3/s 4-percent AEP flood 2050 ft^3/s 2-percent AEP flood 2420 ft^3/s 1-percent AEP flood 2730 ft^3/s 0.5-percent AEP flood 2970 ft^3/s 0.2-percent AEP flood 3420 ft^3/s Peak-Flow Statistics Citations Capesius, J.P., and Stephens, V. C.,2009, Regional Regression Equations for Estimation of Natural Streamflow Statistics in Colorado: U. S. Geological Survey Scientific Investigations Report 2009-5136, 32 p. (http://pubs.usgs.gov/sir/2009/5136/)   Flood-Volume Statistics StreamStats https://streamstats.usgs.gov/ss/ 3 of 15 8/29/2023, 10:55 AM Flood-Volume Statistics Parameters  [72.8 Percent (130 square miles) Mountain Region Max Flow] Parameter Code Parameter Name Value Units Min Limit Max Limit DRNAREA Drainage Area 179 square miles 1 1060 PRECIP Mean Annual Precipitation 28.89 inches 18 47 Flood-Volume Statistics Parameters  [27.2 Percent (48.6 square miles) Northwest Region Max Flow] Parameter Code Parameter Name Value Units Min Limit Max Limit DRNAREA Drainage Area 179 square miles 5 5250 PRECIP Mean Annual Precipitation 28.89 inches 8 49 EL7500 Percent above 7500 ft 72 percent 0 99 Flood-Volume Statistics Flow Report  [72.8 Percent (130 square miles) Mountain Region Max Flow] PIl: Prediction Interval-Lower, PIu: Prediction Interval-Upper, ASEp: Average Standard Error of Prediction, SE: Standard Error (other -- see report) Statistic Value Unit AS Ep 7 Day 2 Year Maximum 786 ft^3/s 4 6 7 Day 10 Year Maximum 1360 ft^3/s 35 7 Day 50 Year Maximum 1850 ft^3/s 31 Flood-Volume Statistics Flow Report  [27.2 Percent (48.6 square miles) Northwest Region Max Flow] PIl: Prediction Interval-Lower, PIu: Prediction Interval-Upper, ASEp: Average Standard Error of Prediction, SE: Standard Error (other -- see report) Statistic Value Unit AS Ep 7 Day 2 Year Maximum 523 ft^3/s 8 6 7 Day 10 Year Maximum 926 ft^3/s 5 9 7 Day 50 Year Maximum 1380 ft^3/s 51 Flood-Volume Statistics Flow Report  [Area-Averaged] StreamStats https://streamstats.usgs.gov/ss/ 4 of 15 8/29/2023, 10:55 AM Statistic Value Unit 7 Day 2 Year Maximum 715 ft^3/s 7 Day 10 Year Maximum 1240 ft^3/s 7 Day 50 Year Maximum 1720 ft^3/s Flood-Volume Statistics Citations Capesius, J.P., and Stephens, V. C.,2009, Regional Regression Equations for Estimation of Natural Streamflow Statistics in Colorado: U. S. Geological Survey Scientific Investigations Report 2009-5136, 32 p. (http://pubs.usgs.gov/sir/2009/5136/)   Low-Flow Statistics Low-Flow Statistics Parameters  [72.8 Percent (130 square miles) Mountain Region Min Flow] Parameter Code Parameter Name Value Units Min Limit Max Limit DRNAREA Drainage Area 179 square miles 1 1060 PRECIP Mean Annual Precipitation 28.89 inches 18 47 ELEV Mean Basin Elevation 8651 feet 8600 12000 Low-Flow Statistics Parameters  [27.2 Percent (48.6 square miles) Northwest Region Min Flow] Parameter Code Parameter Name Value Units Min Limit Max Limit DRNAREA Drainage Area 179 square miles 5 5250 ELEV Mean Basin Elevation 8651 feet 6880 10480 Low-Flow Statistics Flow Report  [72.8 Percent (130 square miles) Mountain Region Min Flow] PIl: Prediction Interval-Lower, PIu: Prediction Interval-Upper, ASEp: Average Standard Error of Prediction, SE: Standard Error (other -- see report) Statistic Value Unit A SEp 7 Day 2 Year Low Flow 7.21 ft^3/s 89 7 Day 10 Year Low Flow 3.78 ft^3/s 153  StreamStats https://streamstats.usgs.gov/ss/ 5 of 15 8/29/2023, 10:55 AM Statistic Value Unit A SEp 7 Day 50 Year Low Flow 6.44 ft^3/s 126 Low-Flow Statistics Flow Report  [27.2 Percent (48.6 square miles) Northwest Region Min Flow] PIl: Prediction Interval-Lower, PIu: Prediction Interval-Upper, ASEp: Average Standard Error of Prediction, SE: Standard Error (other -- see report) Statistic Value Unit A SEp 7 Day 2 Year Low Flow 6.94 ft^3/s 212 7 Day 10 Year Low Flow 3.93 ft^3/s 280 7 Day 50 Year Low Flow 3.03 ft^3/s 338 Low-Flow Statistics Flow Report  [Area-Averaged] Statistic Value Unit 7 Day 2 Year Low Flow 7.14 ft^3/s 7 Day 10 Year Low Flow 3.82 ft^3/s 7 Day 50 Year Low Flow 5.51 ft^3/s Low-Flow Statistics Citations Capesius, J.P., and Stephens, V. C.,2009, Regional Regression Equations for Estimation of Natural Streamflow Statistics in Colorado: U. S. Geological Survey Scientific Investigations Report 2009-5136, 32 p. (http://pubs.usgs.gov/sir/2009/5136/)   Flow-Duration Statistics Flow-Duration Statistics Parameters  [72.8 Percent (130 square miles) Mountain Region Flow Duration] Parameter Code Parameter Name Value Units Min Limit Max Limit DRNAREA Drainage Area 179 square miles 1 1060 PRECIP Mean Annual Precipitation 28.89 inches 18 47 Flow-Duration Statistics Parameters  [27.2 Percent (48.6 square miles) Northwest Region Flow Duration]  StreamStats https://streamstats.usgs.gov/ss/ 6 of 15 8/29/2023, 10:55 AM Parameter Code Parameter Name Value Units Min Limit Max Limit DRNAREA Drainage Area 179 square miles 1 5250 PRECIP Mean Annual Precipitation 28.89 inches 8 49 Flow-Duration Statistics Flow Report  [72.8 Percent (130 square miles) Mountain Region Flow Duration] PIl: Prediction Interval-Lower, PIu: Prediction Interval-Upper, ASEp: Average Standard Error of Prediction, SE: Standard Error (other -- see report) Statistic Value Unit ASEp 10 Percent Duration 405 ft^3/s 45 25 Percent Duration 128 ft^3/s 55 50 Percent Duration 49.5 ft^3/s 55 75 Percent Duration 29.5 ft^3/s 64 90 Percent Duration 21.9 ft^3/s 85 Flow-Duration Statistics Flow Report  [27.2 Percent (48.6 square miles) Northwest Region Flow Duration] PIl: Prediction Interval-Lower, PIu: Prediction Interval-Upper, ASEp: Average Standard Error of Prediction, SE: Standard Error (other -- see report) Statistic Value Unit ASEp 10 Percent Duration 295 ft^3/s 73 25 Percent Duration 87 ft^3/s 77 50 Percent Duration 37.1 ft^3/s 83 75 Percent Duration 20.6 ft^3/s 100 90 Percent Duration 12 ft^3/s 154 Flow-Duration Statistics Flow Report  [Area-Averaged] Statistic Value Unit 10 Percent Duration 375 ft^3/s 25 Percent Duration 117 ft^3/s 50 Percent Duration 46.1 ft^3/s 75 Percent Duration 27.1 ft^3/s StreamStats https://streamstats.usgs.gov/ss/ 7 of 15 8/29/2023, 10:55 AM Statistic Value Unit 90 Percent Duration 19.2 ft^3/s Flow-Duration Statistics Citations Capesius, J.P., and Stephens, V. C.,2009, Regional Regression Equations for Estimation of Natural Streamflow Statistics in Colorado: U. S. Geological Survey Scientific Investigations Report 2009-5136, 32 p. (http://pubs.usgs.gov/sir/2009/5136/)   Annual Flow Statistics Annual Flow Statistics Parameters  [72.8 Percent (130 square miles) Mountain Region Mean Flow] Parameter Code Parameter Name Value Units Min Limit Max Limit DRNAREA Drainage Area 179 square miles 1 1060 PRECIP Mean Annual Precipitation 28.89 inches 18 47 Annual Flow Statistics Parameters  [27.2 Percent (48.6 square miles) Northwest Region Mean Flow] Parameter Code Parameter Name Value Units Min Limit Max Limit DRNAREA Drainage Area 179 square miles 1 5250 PRECIP Mean Annual Precipitation 28.89 inches 8 49 Annual Flow Statistics Flow Report  [72.8 Percent (130 square miles) Mountain Region Mean Flow] PIl: Prediction Interval-Lower, PIu: Prediction Interval-Upper, ASEp: Average Standard Error of Prediction, SE: Standard Error (other -- see report) Statistic Value Unit ASEp Mean Annual Flow 148 ft^3/s 33 Annual Flow Statistics Flow Report  [27.2 Percent (48.6 square miles) Northwest Region Mean Flow] PIl: Prediction Interval-Lower, PIu: Prediction Interval-Upper, ASEp: Average Standard Error of Prediction, SE: Standard Error (other -- see report)  StreamStats https://streamstats.usgs.gov/ss/ 8 of 15 8/29/2023, 10:55 AM Statistic Value Unit ASEp Mean Annual Flow 102 ft^3/s 55 Annual Flow Statistics Flow Report  [Area-Averaged] Statistic Value Unit Mean Annual Flow 136 ft^3/s Annual Flow Statistics Citations Capesius, J.P., and Stephens, V. C.,2009, Regional Regression Equations for Estimation of Natural Streamflow Statistics in Colorado: U. S. Geological Survey Scientific Investigations Report 2009-5136, 32 p. (http://pubs.usgs.gov/sir/2009/5136/)   Monthly Flow Statistics Monthly Flow Statistics Parameters  [72.8 Percent (130 square miles) Mountain Region Mean Flow] Parameter Code Parameter Name Value Units Min Limit Max Limit DRNAREA Drainage Area 179 square miles 1 1060 PRECIP Mean Annual Precipitation 28.89 inches 18 47 Monthly Flow Statistics Parameters  [27.2 Percent (48.6 square miles) Northwest Region Mean Flow] Parameter Code Parameter Name Value Units Min Limit Max Limit DRNAREA Drainage Area 179 square miles 1 5250 PRECIP Mean Annual Precipitation 28.89 inches 8 49 Monthly Flow Statistics Flow Report  [72.8 Percent (130 square miles) Mountain Region Mean Flow] PIl: Prediction Interval-Lower, PIu: Prediction Interval-Upper, ASEp: Average Standard Error of Prediction, SE: Standard Error (other -- see report) Statistic Value Unit ASEp January Mean Flow 34.9 ft^3/s 50  StreamStats https://streamstats.usgs.gov/ss/ 9 of 15 8/29/2023, 10:55 AM Statistic Value Unit ASEp February Mean Flow 32.4 ft^3/s 51 March Mean Flow 39.1 ft^3/s 49 April Mean Flow 103 ft^3/s 44 May Mean Flow 418 ft^3/s 46 June Mean Flow 599 ft^3/s 46 July Mean Flow 224 ft^3/s 76 August Mean Flow 94.4 ft^3/s 80 September Mean Flow 67.7 ft^3/s 59 October Mean Flow 61.3 ft^3/s 45 November Mean Flow 46.6 ft^3/s 46 December Mean Flow 37.4 ft^3/s 47 Monthly Flow Statistics Flow Report  [27.2 Percent (48.6 square miles) Northwest Region Mean Flow] PIl: Prediction Interval-Lower, PIu: Prediction Interval-Upper, ASEp: Average Standard Error of Prediction, SE: Standard Error (other -- see report) Statistic Value Unit ASEp January Mean Flow 29 ft^3/s 85 February Mean Flow 34 ft^3/s 77 March Mean Flow 42.2 ft^3/s 68 April Mean Flow 107 ft^3/s 84 May Mean Flow 388 ft^3/s 71 June Mean Flow 293 ft^3/s 80 July Mean Flow 103 ft^3/s 75 August Mean Flow 56.8 ft^3/s 90 September Mean Flow 52.1 ft^3/s 104 October Mean Flow 46.3 ft^3/s 94 November Mean Flow 38 ft^3/s 83 December Mean Flow 29.8 ft^3/s 79 Monthly Flow Statistics Flow Report  [Area-Averaged] StreamStats https://streamstats.usgs.gov/ss/ 10 of 15 8/29/2023, 10:55 AM Statistic Value Unit January Mean Flow 33.3 ft^3/s February Mean Flow 32.8 ft^3/s March Mean Flow 39.9 ft^3/s April Mean Flow 104 ft^3/s May Mean Flow 410 ft^3/s June Mean Flow 516 ft^3/s July Mean Flow 191 ft^3/s August Mean Flow 84.2 ft^3/s September Mean Flow 63.5 ft^3/s October Mean Flow 57.2 ft^3/s November Mean Flow 44.3 ft^3/s December Mean Flow 35.3 ft^3/s Monthly Flow Statistics Citations Capesius, J.P., and Stephens, V. C.,2009, Regional Regression Equations for Estimation of Natural Streamflow Statistics in Colorado: U. S. Geological Survey Scientific Investigations Report 2009-5136, 32 p. (http://pubs.usgs.gov/sir/2009/5136/)   Bankfull Statistics Bankfull Statistics Parameters  [88.5 Percent (158 square miles) Rocky Mountain System D Bieger 2015] Parameter Code Parameter Name Value Units Min Limit Max Limit DRNAREA Drainage Area 179 square miles 0.15444 9730.1061 Bankfull Statistics Parameters  [88.5 Percent (158 square miles) Southern Rocky Mountains P Bieger 2015] Parameter Code Parameter Name Value Units Min Limit Max Limit DRNAREA Drainage Area 179 square miles 1.540539 9729.943938 Bankfull Statistics Parameters  [11.5 Percent (20.6 square miles) Intermontane  StreamStats https://streamstats.usgs.gov/ss/ 11 of 15 8/29/2023, 10:55 AM Plateau D Bieger 2015] Parameter Code Parameter Name Value Units Min Limit Max Limit DRNAREA Drainage Area 179 square miles 3.62934 7579.9152 Bankfull Statistics Parameters  [11.5 Percent (20.6 square miles) Colorado Plateau P Bieger 2015] Parameter Code Parameter Name Value Units Min Limit Max Limit DRNAREA Drainage Area 179 square miles 3.621618 3649.980906 Bankfull Statistics Parameters  [USA Bieger 2015] Parameter Code Parameter Name Value Units Min Limit Max Limit DRNAREA Drainage Area 179 square miles 0.07722 59927.7393 Bankfull Statistics Flow Report  [88.5 Percent (158 square miles) Rocky Mountain System D Bieger 2015] Statistic Value Unit Bieger_D_channel_width 58.8 ft Bieger_D_channel_depth 3 ft Bieger_D_channel_cross_sectional_area 147 ft^2 Bankfull Statistics Flow Report  [88.5 Percent (158 square miles) Southern Rocky Mountains P Bieger 2015] Statistic Value Unit Bieger_P_channel_width 48.9 ft Bieger_P_channel_depth 2.13 ft Bieger_P_channel_cross_sectional_area 89.1 ft^2 Bankfull Statistics Flow Report  [11.5 Percent (20.6 square miles) Intermontane Plateau D Bieger 2015] Statistic Value Unit Bieger_D_channel_width 46.5 ft StreamStats https://streamstats.usgs.gov/ss/ 12 of 15 8/29/2023, 10:55 AM Statistic Value Unit Bieger_D_channel_depth 1.73 ft Bieger_D_channel_cross_sectional_area 75.7 ft^2 Bankfull Statistics Flow Report  [11.5 Percent (20.6 square miles) Colorado Plateau P Bieger 2015] Statistic Value Unit Bieger_P_channel_width 24.4 ft Bieger_P_channel_depth 1.08 ft Bieger_P_channel_cross_sectional_area 26.8 ft^2 Bankfull Statistics Flow Report  [USA Bieger 2015] Statistic Value Unit Bieger_USA_channel_width 76.9 ft Bieger_USA_channel_depth 3.64 ft Bieger_USA_channel_cross_sectional_area 281 ft^2 Bankfull Statistics Flow Report  [Area-Averaged] Statistic Value Unit Bieger_D_channel_width 57.4 ft Bieger_D_channel_depth 2.85 ft Bieger_D_channel_cross_sectional_area 139 ft^2 Bieger_P_channel_width 46.1 ft Bieger_P_channel_depth 2.01 ft Bieger_P_channel_cross_sectional_area 81.9 ft^2 Bieger_USA_channel_width 76.9 ft Bieger_USA_channel_depth 3.64 ft Bieger_USA_channel_cross_sectional_area 281 ft^2 Bankfull Statistics Citations Bieger, Katrin; Rathjens, Hendrik; Allen, Peter M.; and Arnold, Jeffrey G.,2015, StreamStats https://streamstats.usgs.gov/ss/ 13 of 15 8/29/2023, 10:55 AM Development and Evaluation of Bankfull Hydraulic Geometry Relationships for the Physiographic Regions of the United States, Publications from USDA-ARS / UNL Faculty, 17p. (https://digitalcommons.unl.edu/usdaarsfacpub /1515?utm_source=digitalcommons.unl.edu%2Fusdaarsfacpub%2F1515& utm_medium=PDF&utm_campaign=PDFCoverPages )   Maximum Probable Flood Statistics Maximum Probable Flood Statistics Parameters  [Crippen Bue Region 13] Parameter Code Parameter Name Value Units Min Limit Max Limit DRNAREA Drainage Area 1 79 square miles 0.1 100 00 Maximum Probable Flood Statistics Flow Report  [Crippen Bue Region 13] Statistic Value Unit Maximum Flood Crippen Bue Regional 122000 ft^3/s Maximum Probable Flood Statistics Citations Crippen, J.R. and Bue, Conrad D.1977, Maximum Floodflows in the Conterminous United States, Geological Survey Water-Supply Paper 1887, 52p. (https://pubs.usgs.gov /wsp/1887/report.pdf ) USGS Data Disclaimer: Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data for other purposes, nor on all computer systems, nor shall the act of distribution constitute any such warranty. USGS Software Disclaimer: This software has been approved for release by the U.S. Geological Survey (USGS). Although the software has been subjected to rigorous review, the USGS reserves the right to update the software as needed pursuant to further analysis and review. No warranty, expressed or implied, is made by the USGS or the U.S. Government as to the functionality of the software and related material nor shall the fact of release constitute any such warranty. Furthermore, the software is released on condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use. USGS Product Names Disclaimer: Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Application Version: 4.16.1  StreamStats https://streamstats.usgs.gov/ss/ 14 of 15 8/29/2023, 10:55 AM StreamStats Services Version: 1.2.22 NSS Services Version: 2.2.1 StreamStats https://streamstats.usgs.gov/ss/ 15 of 15 8/29/2023, 10:55 AM