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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ARKANSAS RIVER BASIN
Streamflow Forecasts. April 1, 2002

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I cc.cec.. Drier .~...- Future Conditions Wetter .....>>
1
Forecast Point Forecast I ....-===~...._.---_. Chance Of Exceeding =......._._...._..__.~
Period I 90t 70t 50' (MOBt. Probable) 30' lOt I 30-Yr Avg.
I (1000AF) {IODOAF} I (lOOOAF) U AVG.) I (lOOOAF) (IOOOAP) I (lODOAF)
................._..................................................1.......................1.....................................
Chalk Creek nr Nathrop APR-SEP 6.3 9.1 I 12.0 44 I 11.2 2S :21
I 1
Arkansas River at Salida APR-SEP 109 165 I 201 65 I 239 295 310
I 1
Grape Creek nr West.cll ffe APR-SEP 1.1 4.5 I 6.8 35 I 13.6 24 19.6
I I
Pueblo Reservoir Inflow APR-SEP 119 191 I 249 5B I ]01 319 4]0
I 1
Huerfano Rlver nr Redwing APR-SEP].4 5.2! 6.4 41 I 9.4 13.B 15.5
1 1
CUcharaBRlver nrLa Veta APR-SIiP 2.4 4.0 I 5.1 ]9 I 1.9 12.1 13.0
1 1
Trinidad Lake Inflow APR-5EP 10.4 14.2 I 16.1 3B I 29 4.1 44.
1 1

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ARKANSAS RIVER BASIN
Reservoir Storage (1000 AF) - End of March

ARKANSAS RIVER BASIN
Watershed Snowpack AnalysiB . Aprll 1. 2002

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Usable I ..... Usable Storage .... Number This 'tear as \" of
Reservoir Capacity I This Last I Watershed of ...===.="'z.....a.
I 'tear .Year Avg I Data Sltes Last Yr Average
.......................................................----.............1.......-........................--.......................
ADOBE 70.0 31.2 59.5 ]7.0 I UPPER ARKANSAS BASIN ] 66 60
1
CLEAR CREEK 11.0 6.5 5.9 6.1 I CUCHARAS & HUERFANO RIVER 4 54 3B
1
GREAT PLAINS 150.0 22.B 66.8 41.9 I PURGATOIRE RIVER BASIN 2 ]2 28
1
!Il.OLBROOK 7.0 6.1 5.5 4.9 I TOTAL ARKANSAS RIVER BASI 8 57 4B
1
HORSE CREEK 28.0 0.0 0.0 12.6 I
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.TOIiN MARTIN 3]5.1. 91.] 111.9 131.3 I
1
LAKE HENR't 8.0 6.3 7.7 6.1 I
1
MEREDITH 42.0 24.1 27.1 19.0 I
1
PUEBLO 236.7 143.6 222.0 113.] I
1
TRINIDAD 72.3 IB.2 ]4.0 27.5 I
I
TURQUOISE 126.6 53.9 50.3 74.0 I
I
TWIN LAKES 86.0 45.2 41.6 42.5 I
1

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... 90', 10\, 30\, and lOt chances of exceeding are the probabl11ties that the actual volume wlll exceed the volumes in the table.

The average is computed for the 1911-2000 baBe periOd.

(1) The values listed under the 10\ and 90t Chance of Exceeding are actually S' and 95\ exceedo.nce levels.
(2) The value lS natural volume - actual volume may be affected by upstream warer management.

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