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N&CS - CoIomdo Snow Survey - Basin Outlook Keportfor GtJNN... OOu314 ~/w w w. wcc.mcs.usda.gov/cgibinlnew&ur27pf"!sta~}'em=Z.. Streamflow Forecasts GUNNISON RIVER BASIN Streamflow Forecasts - April 1, 2005 <==== Drier === Future Conditions === Wetter ====> Forecast pt ============ Chance of Exceeding * =========== Forecast 90% 700/0 50% (Most Prob) 30% 10% 30 Yr Avg Period (1000AF) (1000AF) (lOOOAF) (% AVG.) (1000AF) ( lOOOAF) (lOOOAF) Taylor River blw Taylor Park Resv APR- JUL 80 95 105 102 115 130 103 Slate River nr Crested Butte APR-JUL 88 97 103 116 109 118 89 East River at Almont APR-JUL 164 189 205 107 220 245 192 Gunnison River nr Gunnison APR-JUL 325 375 410 105 445 495 390 Tomichi Creek at Sargents APR- JUL 21 28 33 103 38 45 32 Cochetopa Creek blw Rock Creek APR-JUL 11.4 16.1 20 116 24 32 17.3 Tomichi Creek at Gunnison APR-JUL 48 66 81 100 98 126 81 Lake Fork at Gateview APR-JUL 107 130 145 115 160 185 126 Blue Mesa Reservoir Inflow APR-JUL 575 690 770 107 850 965 720 Paonia Reservoir Inflow MAR-JUN 125 145 160 160 176 200 100 APR- JUL 117 144 164 161 186 220 102 N.F. Gunnison River nr Somerset APR-JUL 361 413 450 148 489 549 305 Surface Creek at Cedaredge APR-JUL 19.3 24 27 158 31 38 17.1 Ridgway Reservoir Inflow APR-JUL 73 92 106 104 122 148 102 Uncompahgre River at Colona APR-JUL 100 125 145 104 167 200 139 ., Gunnison River nr Grand Junction APR-JUL 1390 1630 1800 115 1970 2210 1560 * 90%, 70%, 30%, and 10% chances of exceeding are the probabilities that the actual flow will exceed the volumes in the table. (1) - The values listed under the 10% and 90% Change of Exceeding are actually 5% and 95% exceedance levels. (2) - The value is natural flow - actual flow may be affected by upstream water management. 30f4 4/20/2005 12:34 PM