WSP09347

• File Number: 8040.970
• Description: Basin Outlook Reports
• State: CO
• Date: 1/1/2002
• Author: USDOA
• Title: Colorado Basin Outlook Report
• Water Supply Pro - Doc Type: Publication

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i'AMPA, WHITE, AND NORTH PLATTE RIVER BASINS
Streamflow Porecaltl - April 1, 2002

===~~~.___........==ZZ===_=~~.~..~~~====_E_......._..S_~.=..====.~=c..~_=cc.=z=~z..~.......__.........=====..#._.c~=====.~.=====d.

I cc...... Drier ...c.. Future Conditions
I
Forecast I ...._.c~..........__ Chance Of Exceeding .._._~.~_.~..~.._..c=.
Period I 90t 70' 50' (Most Probable) I 30' lOt \ 30~Yr Avg.
I (lOOOAF) (lOOOAF) I (lOOOAP) (' AVG.) I (lOOOAF) 11000AF) I (lOOOAFl
.................................................................-..1.......................1.....................................
North Platte River nr Northgate APR-SEP 23 81 I 121 4S I 161 219 270
I I
I 5. "I
I I
I 18.1 62 I
I I
I 165 S9 I
I I
I 160 49 I
I I
I 20 51 I
I I
I 34 sa I
I I
1 4.10 55 I
I 1
1 465 47 I
I I
I 79 49 I
I I
I 150 46 I
I I
I 165 4.5 I
! I
I 160 55 I
I I

Forecast Point.

Laramie River nr Woods

APR-SEP

J1

'tampa R abv Stagecoach Rea

APR-JUL

15.3

11.3

Yampa River at Steamboat Springs

APR-JUL

,.

Elk River nr Milner

APR-JUL

"

Elkhead Creek nr Elkhead

APR-JUL

15.4.

10.5

ELKHEAD CREEK blw Maynard Gulch

APR-JUL

23.7

Fortification Ck nr Portiflcation

M1\R - JUN

1.92

2.42

Yampa River nr Maybell

APR - JUL

'"

Little Snake River nr Slate~

APR-JUL

"

LITTLE SNAKE R nr D1xon

APR-JUL

.0

LITTLE SNAKE R nr Lily

APR-JUL

51

White River nr Meeker

APR-JUL

113

,
=.._.................~...==c====.&.===========~~~~=:_z.._...._.............=E==s~~~=s===.~~....~..._=====~3~=.~........_a.~&~.=.=.

,.,

'"

290

'tAMPA, WHITE, AND NORTH PLATTE RIVER BASINS
ReservOlr Storage (1000 AF) . End of March

"

138

'"

26

343

"

106

"'

139

Wet.ter ..E.e,.,.

"

..

121

135

"

29

"

'"

'"

280

"5

'"

m

,.

38

"

"

54

"

S.7B

B.25

7.50

567

'68

990

"

"'

15'

".

'60

330

'11

'"

,6S

YAMPA, WHITE, AND NORTH PLATTE RIVER BASINS
Watershed SnowpacK AnalysiB . April 1, 2002

Usable I ... Usable Storage Number Th1S 'tear aB \ of
Reservoir Capacityl This Last Wat.ershed of .................
. I Year Year Avg I Data Sites Last Vr Average
..................-..............................-.--...................1....................................................-....
STAGECOAOI 33.J 26.8 26.0 24.6 I LAR.AMIE RIVER BASIN 4 78 56
I
YAMC'OLO 9. 5.1 7.0 6.9 I NORTH PLATTE RIVER BASIN S 90 66
I
I TOTAL NORTH PLATTE BASIN 8 90 63
1
I ELK RIVER BASIN 2 91 73
I
I YAMPA RIVER BASIN II 85 69
I
I WHITE RIVER BASIN 78 54
I
I TOTAL YAMPA AND WHITE RIV 14 84 68
1
I LITTLE SNAKE RIVER BASIN 8 94 73
I

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The average 18 computed for t.he 1971-2000 base per1od.

. 9C'~. 70\, 30\, and 10' chances of exceed1ng ate the probabihues that the actual volume wlil exceed the volumes 1r. the table

(1l The values listed under the 10' and 90' Chance of Exceeding are actually St and 95' exceedance levels.
(2) The value is natura.l vol:..lme - actual "'ol:..lme 1M}' be a:.f.fected by upstream ....ater management.

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