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=============================3================-====~==============-==================================-============================ GUNNISON RIVER BASIN Streamflow Forecasts - January 1, 2003 ========================-==========-===============-=======================--=======--==========:==========-====================== I <<====== Drier ====== Future Conditions I Forecast I ==================== Chance Of Exceeding * ====================== Period I 90% 70% 50% (Most Probable) 30% 10% 30-Yr Avg. I (1000AF) (1000AF) I (1000AF) (% AVG.) I (1000AF) (1000AF) I (1000AF) ===========================-========================================I=====.======~==========I===================================== Taylor River .b1w Taylor Park Resv APR-JUL 43 68 I 85' 83 I 102 127 103 I I I 69 78 I I I I 165 86 I I I I 315 81 I I I I 24 75 I I I I 12.9 75 I I I I 60 74 I I I I 95 75 I I I I 575 80 I I I I 80 80 I I - 81 79 I I I I 245 80 I I I I 12.7 74 I I I I 85 83 I I I I 108 78 I I I I 1200 77 I I I Forecast Point Slate River nr Crested Butte APR-JUL East River at AImont APR-JUL Gunnison River nr Gunnison APR-JUL Tomichi Creek at Sargents APR-JUL Cochetopa Creek blw Rock Creek APR-JUL Tomichi Creek at Gunnison APR-JUL Lake Fork at Gateview APR-JUL Blue Mesa Reservoir Inflow APR-JUL Paonia Reservoir Inflow MAR -JUN APR-JUL N.F. Gunnison River nr Somerset APR-JUL Surface Creek nr Cedaredge APR-JUL Ridgway Reservoir Inflow APR-JUL Uncompahgre River at Co1ona APR-JUL Gunnison River nr Grand Junction APR-JUL =======__====_=========__=========._==._.===_.====_====__====_=:_===_=====___==....__=====_================_========mm_=========:= 1560 1919 1560 151 4.9 3.8 18,5 302 7.2 484 49 85 50 32 27 88 44 36 GUNNISON RIVER BASIN Reservoir Storage (1000 AF) - End of December Reservoir BLUE MESA 830.0 CRAWFORD 14.3 FRUITGROWERS 4.3 FRUITLAND 9.2 MORROW POINT 121. 0 PAONIA 18.0 RIDGWAY 83.2 TAYLOR PARK 106.0 =========================================__==_============_====.s================.-~-=========================-==============~==== 283.2 3.5 1.0 0.1. 109.6 3.8 59.7 41.5 544.0 3.0 0.8 0.7 109.3 2.7 66.4 64.9 59 132 249 16.3 9.2 40 77 432 58 56 168 10,1 64 72 842 Wetter =====>> 79 94 89 198 245 192 381 479 390 32 43 32 16.6 22 17.3 84 125 81 123 150 126 720 850 720 106 111 150 164 100 102 323 400 305 16.0 23 17.1 105 125 102 145 181 139 GUNNISON RIVER BASIN Watershed Snowpack Analysis - January 1, 2003 9 123 91 I I ~==_==.====================_======_==.a.===.-=.==.======_=====z===_========_=====_==============================================:== Usable I *** Usable Storage *** I Number This Year as % of Capacity I This Last I Watershed of ==-============== I Year Year Avg I Data Sites Last Yr Average ===========================================.._~==_a.====_====_=======_==1=======================-================_=_==========2=== 545.8 I I 7.5 I I 2.8 I I 1.3 I I 113.4 I I 4.7 I I 60.1 I I 67.7 I I UPPER GUNNISON BASIN SURFACE CREEK BASIN UNCOMPAHGRE BASIN TOTAL GUNNISON RIVER BASI 2 132 86 117 99 12 121 93 * 90%, 70%, 30%, and 10% chances of exceeding are the probabilities that the actual volume will exceed the volumes in the table. The average is computed for the 1971-2000 base period. (1) - The values listed under the 10% and 90% Chance of Exceeding are actually 5% and 95% exceedance levels. (2) _ The value is natural volume - actual volume may be affected by upstream water management.