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t <br /> I' <br /> W ., <br /> GUNNISON BASIN <br /> Basinwide Conditions Assessment: <br /> The SWSI value of-0.8 indicates that for August the GUNNISON RIVER BASIN <br /> Surface later Slpply Inds HI.ta y <br /> basin water supplies were slightly below normal. The 5 <br /> National Weather Service reports August precipitation at , <br /> 133% of average. Reservoir storage measured on August 31 IIIW 3 I 'in <br /> i it <br /> was 100% of average. Flow at the gaging station, • I low <br /> I Him II <br /> I I I in ,III in, <br /> Uncompahgre River near Ridgway, averaged 214 cfs for the n,1 I inn inn inn <br /> IIII I IIIIII I min I IIII I I <br /> month as compared to the 1961-1991 August average of 158 1 iiii 1 Iiiiii limo ,l iiii dim! ;iiii <br /> cfs. IIII I um, win, mum Him, . I ,IIII I <br /> n II I III Ili', Ty;111 iiiiliii'I '' 11 II I I'1 <br /> I I III ' I III I I I <br /> -1 it ' 'Hi' I 1 11 1 1111111111 ' it 111 I I <br /> ' 1111 II I II 1 ii <br /> Outlook a -2 'ill 1 I 1 <br /> Entering September the irrigation demand is o I I <br /> significantly down;it is not anticipated there will not be much -3 <br /> demand into the fall other than a minimal amount for -4 <br /> - .. <br /> JAN83 JANef .4N85 JANOS JAN87 JANOS JAN89 JAN90 JA7i1 JAM22 <br /> livestock and irrigation of perennial crops. Carry over storage MONTH,YEAR <br /> for reservoirs on top of Grand Mesa as of the end of August is <br /> predicted to be better than it has been for the past several <br /> years. <br /> Adrninistrative/ManaZement Concerns UNCOMPAHGRE RIVER NR. R I DGWAY <br /> FLOW IV WATER YEAR <br /> Basin administrators feel the water supply conditions 200 - <br /> are good at the end of this irrigation season. Above average 180 <br /> 170 <br /> August precipitation helped to reduce demand on both direct <br /> flow and storage irrigation supplies. The water level in Blue 1 150 <br /> 40 <br /> Mesa Reservoir is down to 27 feet below full. Increased draw : 1 <br /> s. <br /> n 100 20 +�• <br /> down from Blue Mesa is largely the result of increased 4 <br /> gg 1t. <br /> releases to determine their effect on endangered fish. WF n} .0 <br /> u �0 <br /> r 70 <br /> I 60 . <br /> 50 Jf------'—..--l <br /> ♦0 .f <br /> 10 . <br /> 0 1 <br /> Oct Paw Dec Jan Feb Arrch Aar II Nay Jun. Jvly Aug Sent <br /> 4pNTM <br /> 1 WTI'C1984) t Cliff(1a77) • Avc A 1MT <br /> REPRESENTATIVE RESERVOIRS <br /> 9I819119]N RIVER MOWN <br /> 80 <br /> 110 • <br /> w 70 <br /> g Z\z /\ . <br /> a 46 i:////\\\:\ <br /> 3°_.///\ <br /> 20 <br /> 10 <br /> 0 /n\ V//1\�\ <br /> Tay la Perk o-.e/ertl Fruit mewl <br /> ® Avg Val Contemn ® 6,9v62 Coat..... <br /> 6 <br />