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.~..~...a.=....................=...=......-====..=..................--..........-.-...................................-........... GUNNISON RIVER BASIN Streamflow Forecasts - March 1, 2004 .........................................=.......................................................=....................=..c........ I <<--...- Drier ..-... Future Conditions I Forecast I ...=._...c....g...== Chance Of Exceeding * ...c=_...a....==_..... Period I 90% 70% 50% (Most Probable) 30% 10% 30-Yr Avg. I (1000AF) (1000AF) I (lOOOAF) (% AVG.) I (lOOOAF) (lOOOAF) I (1000AF) .....a...~.a.................==...c=...=....==..====................J....=..............==..I.........=.....a..................... Taylor River blw Taylor Park Resv APR-JUL 56 76 I 91) 87 I 1'04 124 103 I I I 80 90 I I I I 165 86 I I I I 330 85 I I I I 26 81 I I I I I I I I I I I I I I I I I I I I I I I I Forecast point 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-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 Colona APR-JUL Gunnison River nr Grand Junction APR-JUL .......................................=.......................................................................................... GUNNISON RIVER BASIN Watershed Snowpack Analysis - March 1, 2004 I I .=..==......~==...a._.......~.._....g......=..D=..a.=.........=..~......=....................._................................... Usable I *** Usable Storage *** I Number This Year as % of Capacityl This Last I Watershed of ............-.... I Year Year Avg I Data Sites Last Yr Average .............=..=............=.==~..=_.......=........=............==..=1.................==..........=.....................=c.... BLUE MESA 830.0 390.8 295.3 446.5 I UPPER GUNNISON BASIN 15 116 96 I 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 110 210 10.8 5.7 345 202 11.7 59 10.7 33 63 61 54 69 85 845 GUNNISON RIVER BASIN Reservoir Storage (1000 AF) - End of February Reservoir CRAWFORD 14.3 FRUITGROWERS FRUITLAND MORROW POINT 121.0 PAONIA 18.0 RIDGWAY 83.2 TAYLOR PARK 106.0 .........................................................................................................a..~........._........... 3.6 4.3 2.2 4.6 1.9 0.7 111.0 5.9 62.4 39.7 71 143 280 20 53 94 510 83 81 258 14.9 87 112 1170 Wetter ..==->> 89 101 89 9.2 0.4 187 222 192 109.3 3.4 n.5 72.3 380 450 390 32 41 32 14.0 81 17.3 23 17.3 70 86 89 121 81 115 91 136 167 126 620 86 730 895 720 100 102 100 100 119 126 149 165 100 102 300 98 345 418 305 17.5 102 21 26 17.1 102 100 119 150 102 132 95 154 190 139 1400 90 1630 1960 1560 SURFACE CREEK BASIN 3 128 109 UNCOMPAHGRE BASIN 4 135 115 TOTAL GUNNISON RIVER BASI 19 122 100 * 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.