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M1895 .. m.......=_=______........................_.....__..___.._...._....__________........._____=_....__________.._._____a_._._.________ GUNNISON RIVER BASIN Streamflow Forecasts - June 1, 2002 Forecast Point .___a__a__.__.___......._..._______._._._____.___________________..______________=.====___===========__...._____=__.______=______. i I Forecast I -----..----.--.----. Chance Of Exceedtng * ._.____a__._=___._.__. Period I 90% 70% 50% (Most Probable) Jot lOt 30-Yr Avg. I (IOOOAP) (IOOOAP) I (:).OOOAF) (t AVG.) I (lOOOAF} (lOOOAP) I (lOOOAF) -......==----....--.........---.----...----........---....=.........!=============.=========!========-==.=.=-.-----..===-=----..=== Taylor River blw Taylor Park Resv APR-JUL 13.0 28 I 38 37 I 48 63 103 I I ! 48 54 I I I I 65 34 I I I I 95 24 I I I I 4,1 13 I I I I 2.7 16 I I I I 10.0 12 I I I I '0 32 I I I I 180 25 I I I I 19.0 18 I I 18.0 17 I I I I 95 31 I I I I 5.0 29 I I I I 30 29 I I I I 35 25 I I I I 340 22 I I I Slate River nr Crested Butte APR-JUL East River at Almont APR-JUL Gunnison River nr Gunnison APR-JUL Tomichi Creek at Sargent a 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 Paouia Reservoir Inflow MAR- JUN APR-JUL N.F. Gunnison River Or 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 ==-====~==-=-~-----_.._...__.._--.........~........_..--=...~.~.._._...~.........==....====...................~..~============.=.. <<",,,,,,,,===' Drier "'...,=== 3.2 119 10.0 12..0 3.5 19.0 253 Reservoir Usable 'I Capacity I GUNNISON RIVER BASIN Reservoir Storage (1000 AP) - End of May --. Us-able Storage This Last CRAWFORD 14.3 FRUITGROWERS '.3 FRUITLAND 9.2 MORROW POINT 12)..0 PAONIA 18.0 RIDGWAY 83.2 TAYLOR PARK 106.0 ======_.._~.a===_.=____......._...._.__.__=.=~=====~====.====_=_========..=..====================..==========____.._A..__......_=_. 5.5 2.0 1-9 114.6 16.5 67.8 69.2 38 30 69 3.0 1-9 28 15.0 16.0 62 24 9.9 '.2 5,3 114.0 16.9 75.3 84.1 Future Conditions Wetter ....=_..>> .. 52 58 89 I I .........a__......_._...._...___=.__..__====~~======.=======================================================_==.=._=.............. -_It I I I Year Year Avg I Data Sites Last Yr Average .===.---.-..---.---...........................-=.-=---....._._.======.=.1.=.=.......===...==_____.__....._._.a==_...=.....=~.=.._. BLUE MESA 830.0 481.7 588.1 517.1 I UPPER GUNNISON BASIN 9 0 . 0 I 12.6 I I 4.0 I I 6.3 I I 113.. I I 15.7 I I _61.2 ! I 71.8 1 I 51 79 100 192 85 12. 167 390 3,6 '.1 11. 6 32 2.' '.7 7.6 17.) 5.9 15.1 25 81 35 52 70 12$ 155 249 350 720 23 21 81 110 31 25 105 106 '.3 5.8 135 3,05 27 33 7.'2 17.1 28 43 38 102 305 .80 55 139 686 1560 Watershed Number of GUNNISON RIVER BASIN Watershed Snowpack Analysis - June 1! 2002 This Year as % of' (1) The values listed under the 10% and 90% Chance of Exceeding are actually 5t and 95% exceedance levels. (2) The value is natural volume. actual volume may be affected by upstream water management. The average is computed for the 1971-2000 base period. SURFACE CREEK BASIN UNCOMPAHGRE BASIN TOTAL GUNNISON RIVER BASI ...............== 2 o o 3 o o 12 o o it' 90\", -70\", 30\, and lOt chances of exceeding are the probabilities that the actual volume will exceed the volumes in the table.