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001897 .. ==~z==_=z_____...___............_......__....._.........._....._........_....._...........___=_=====.~=...=_..............__...... UPPER COLORADO RIVER BASIN Streamflow Forecasts - June 1, 2002 Forecast Point ..--=..........---.....--....----......................._......_....._....=._~....==.===..==..........=.........=-====............ I I Forecast I .................... Period I I (1000AF) (lOOOM) I (lOOOAF) (t AVG.) I (tOOOAF) (lOOOAF) I (100,oAF) .......--..---...............--....................................-1===-.=................-1-----.............---................ Lake Granby Inflow APR.JUL 93 100 I 105 47 I 110 119 225 I I I 13.0 26 I I I I '5 .7 I I I I 70 42 I I I I 115 41 I I I 1 15.3 26 1 I I I 130 39 I I 530 37 I I I I 58 41 I I I I 260 37 I I I I 820 34 I I I willow Creek Reservoir Inflow APR-JUL wil~iams Fork Reservoir inflow APR-JUL Dillon Reservoir Inflow APR-JUL Green Mountain Reservoir inflow APR-JUL Muddy Creek blw Wolford Mtn. Resv. APR-JUL Eagle River blw Gypsum APR-JUL Colorado River nr Dotsero APR-JUL Ruedi Reservoir Inflow APR-JUL Roaring Fork at Glenwood Springs APR-JUL Colorado River nr Cameo APR-JUL ._~-._...........~........_.........-~-.-..................................--...==......................==........................ ~~...... Drier ...._. 12.2 . UPPER CO:t.QRADO RIVER SASIN Reservoir Storage (1000 AF) - End of May Reservoir LAKE GRANDY 465.6 GREEN MOUNTAIN 139.0 HOMESTAKE 43.0 RUEDI 102.0 VEGA 32.0 WILLIAMS FORK 96.8 WILLOW CREEK 9,0 .~..===..........._..........==__...._....=....._................_..._............=.m_====.=..===.===========_===..=..._........... '.i:' 147.8 65.6 18.9 71.6 14.4 49.4 7.5 90> 6,7 34 56 89 105 2.2 .2 157 600 331.1 69.8 18.2 84.5 32.9 68.0 6.5 Future Conditions 70> Chance Of Exceeding 1< 50~ (Most Probable) 30> Wetter ...........>> 10.2 16.1 10' 30-Yr'Avg. I I u____..........................................==_=_.=..==.===.==_=.===_==~=_==._..._...._..=_..._...=.==..=____.......__=....=... Usable 1 1capacity 1 This Last I Watershed of ======...=........ I Year Year Avg I Data 'Sites Last Yr Average ...-..........-......--......................................=========.======1=======.=.=................................................ DILLON 250.8 182.4 234.9 229.0 1 BLUE RIVER BASIN 5 0 0 I 302.9 I I 76.1 J I 20.3 1 I 74.2 I I 29.2 1 I 63.6 I I 7.4 I I 41 50 21 51 ;, 65 81 57 95 104 126 96 167 13.9 16.8 144 280 119 142 19.2 60 "3 647 161 335 51 66 618 14.40 215 309 79 141 731 1037 390 710 1357 2420 UPPER COLORADO RIVER' BASIN Watershed Snowpack Analysis - June 1, 2002 (1) The values listed under the lOt and 90t Chance of Exceeding are actually 5t and 95t exceedance levels. (2) The value is natural volume - lictual volume may be affected by upstream water management. The average is computed for the 1971,-2000 base period. UPPER COLORADO RIVER BASI MUDDY CREEK BASIN PLATEAU CREEK BASIN ROARING FORK BASIN WILLIAMS FORK BASIN WILLOW CREEK BASIN TOTAL COLORADO RIVER BASI .. 16 o o 2 o o 2 o o 7 o o 2 o o 2 o o 25 o o k 90%. 70%. 30t, and lOt chance's of exceeding are the probabilities that the actual volume will exceed the volumes in the table. 1- ~ ~ tt , '~ j' ~; "i{ :~ -1 f , ~1 '-~ -,~ '. ~~- .:"-' ~j}., -L,~,dili..1li;_:_ -~ , , J j','J' ~,J\~:;" ."";,