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===============================================================================~=======================~========================== GUNNISON RIVER BASIN Streamflow.Forecasts - March 1, 2003 Forecast Point ================================================================================================================================== Wetter =====>> I I ==================== Chance Of Exceeding · ====================== 1 Period 1 90% 70% 1 50% (Most Probable) I 30% 10% 1 30-Yr Avg. I (1000AF) (1000AF) 1 (1000AF) (% AVG.) I (1000AF) (1000AF) 1 (1000AF) ====================-============================================~===I=======================I===================================== Taylor River blw Taylor Park Resv APR-JUL 43 63 1 77 75 I 91 111 103 1 I I 65 73 1 I 1 1 145 76 1 1 1 1 270 69 I 1 I 1 22 69 I 1 1 I I I I I I I I I 1 1 I 1 1 1 1 I 1 I I Forecast Slate River nr Crested Butte APR-JUL East River at Almont APR-JUL Gunnison River nr Gunnison APR-JUL Tomichi Creek at Sargents APR-JUL Cochetopa Creek blw Rock Creek APR-JW, Tomichi Creek at Gunnison APR-JUL Lake Fork at Gateview APR-JUL Blue Mesa Reservoir Inflow APR-JUL Paohia 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 Colona APR-JUL Gunnison River nr Grand Junction APR-JUL ====================================================================================================================a=c=========_. <<==c=== Drier =c==== 152 6.8 2.7 245 149 8.0 495 44 90 23 34 41 36 49 50 GUNNISON RIVER BASIN Reservoir Storage (1000 AF) - End of February 1 1 ='= ==== = :i::-= = =-== = == = = = == = = = = == = == = = = = == = = = = == === = ='===:11: == === == == == e= l:Il= = == == = = = = = = = = = = = = ====== = == == = = = = = == = = ====. = == == = == = == = == = === = = == = = = Usable 1 ... Usable Storage ... I' Number This Year as % of Capacity 1 This Last 1 Watershed of ================= 1 Year Year Avg 1 Data Sites Last Yr Average ========================================================================1========================================~================ BLUE MESA 830.0 295.3 522.4 446.5 I UPPER GUNNISON BASIN 11 148 85 1 9.2 I I 3.7 I I 2.1 I I 113.4 I I 4.9 I I 60.5 I I 65.5 I I Reservoir CRAWFORD 14.3 FRUITGROWERS 4.3 FRUITLAND 9.2 MORROW POINT 121. 0 PAONIA 18.0 RIDGWAY 83.2 TAYLOR PARK 106.0 ==================================================================================================~=============================== 4.6 1.9 0.7 111. 0 5.9 62.4 39.7 111.4 67.3 63.3 56 123 220 16.0 7.7 40 65 410 60 58 198 10.2 62 71 825 3.7 1.9 1.3 3.0 Future Conditions 74 167 320 28 11.0 64 14.3 86 89 55 68 72 202 192 86 68 107 390 390 520 72 630 37 32 74 76 74 75 90 97 19.3 17.3 235 77 275 101 81 12.0 70 14.1 138 126 72 71 84 795 720 87 63 105 116 132 100 102 1050 67 1280 341 305 18.0 17.1 106 102 135 139 1610 1560 GUNNISON RIVER BASIN Watershed Snowpack Analysis - March 1, 2003 SURFACE CREEK BASIN UNCOMPAHGRE BASIN TOTAL GUNNISON RIVER BASI 2 161 85 4 138 86 15 145 85 . 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.