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+ COLORADO BASIN <br /> Basinwide Conditions Assessment: <br /> The SWSI value of -0.4 indicates that for May the COLORADO RIVER BASIN <br /> basin water supplies were near normal. The National Weather 3 Surface altar G OIYI imam <br /> MI <br /> `°ry <br /> Service reports May precipitation at 174% of average. The 4 _ <br /> Soil Conservation Service reports June 1 snowpack at 15%of " _ £ . <br /> average. Basinwide reservoir storage was 106%of average on 3 <br /> June 1. Flow at the gaging station, Colorado River near 2- 1 i '1 <br /> Dotsero, averaged 2999 cfs as compared to the 1961-1991 t g <br /> if <br /> May average of 4494 cfs. i O If J }' 1,':'/,1 <br /> Outlook - ��/: ' ` <br /> The runoff peak is expected to occur earlier than o <br /> usual and will taper off quickly. There should be sufficient 3- <br /> flows to allow a brief period for junior water users on smaller <br /> JANB3 JANB4 JAMS JA1Ati JAM? JAAM JAMBS JAN9O JA1421 JAN2 <br /> side tributaries to irrigate their fields. Precipitation during the tq,,,„,,...,1 <br /> summer months would help these users tremendously. <br /> Administrative/Management Concerns <br /> The Shoshone Hydroelectric Power Plant call of 1-7- <br /> 1902..wi11 likely come on sometime in late July. During COLORADO RIVER NR. DOTSERO <br /> August, September and October the Grand Valley call will 3 2 PLOW 0!WATER YEARmost certainly override the Shoshone call and control the 2 _ <br /> entire river system. 2.C - <br /> S 2.2 • <br /> Public Use Impacts i2 . <br /> Since the runoff season should be low and short, a ,.6 ' • <br /> many irrigators will be missing out on late season water. 'a 1.4 <br /> Also, the lower stream levels will have a negative impact on ; 1.2 . <br /> the recreational users. Flows should be sufficient to nearly fill I O.B <br /> Green Mountain Reservoir,which is critical for replacing West 6 r - ------r <br /> Slope depletions. Levels at most other storage reservoirs 2 �� - , <br /> should be lower than usual this summer season. O - <br /> Oct Nov 011i Jan Feb March Apr I! Aty Juno Jury AYp Sept <br /> worm <br /> O fall'[19243 + On",[12771 O AV/3 a 19B2 <br /> REPRESENTATIVE RESERVOIRS <br /> cOLORA00 AIV61 BASIN <br /> 20 <br /> 10- N.70 <br /> y r <br /> j 60 <br /> .., <br /> bI! 4a j <br /> ~V <br /> S 30 <br /> /\ <br /> 20 <br /> ,,/\\ <br /> 1a /fI1\� /-\ <br /> O'eon Gountarn ri,eel •tI Ilend Fork <br /> ® Avg. l+31 Content. ® 3/31/22 ODntSnta <br /> 7 <br />