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a,. <br /> COLORADO BASIN <br /> Basinwide Conditions Assessment: <br /> The SWSI value of+2.1 indicates that for October the COLORADO RIVER BASIN <br /> basin water supplies were above normal. Storage in Green 5 Surface Water s I index History <br /> Mountain, Ruedi, and Williams Fork reservoirs totaled 117% <br /> of normal on October 31. Flow at the gaging station Colorado -� <br /> River near Dotsero averaged 1,249 cfs as compared to the = <br /> ▪ 3 j'A, <br /> 1961-1991 October average of 1,310 cfs. The National 2 -- - �- • r , <br /> Weather Service reports October precipitation as 118% of - ;; <br /> IF <br /> normal. g• 0 �I_ if C , , a �j;�, <br /> i. <br /> /,, <br /> Outlook '- f <br /> ' `� <br /> Precipitation during October in the form of both rain o r - <br /> and snow have continued to bolster the river flows. The base 3- <br /> flows in most creeks have remained above average for the fall -• <br /> JAN84 JANBS JAN86 JAN87 JAN88 JAN89 JAN90 JAN91 JAN92 JAN93 <br /> season and will likely remain that way for the entire winter. WNW YEAR <br /> Early snows in the high country have started the snow pack <br /> on a good note. <br /> Administrative/Management Concerns <br /> The senior right at the Shoshone Hydroelectric Power COLORADO RIVER NR. DOTSERO <br /> Plant of 1,250 cfs (1-17-1902) came on during the last part of as <br /> FIRST MONTH OF THE WATER YEAR <br /> October and should remain on throughout the winter. The / <br /> 70 / <br /> Grand Valley call at Cameo was not activated at all this <br /> irrigation season. This year, releases made from Green ,, 60 <br /> Mountain Reservoir to satisfy the Shoshone call have been 4 50 <br /> minimal and the reservoir remains nearly full. This will result .I <br /> in larger than average releases being make for power W g <br /> generation. Since most of the reservoirs have remained at s 30 <br /> above average levels this fall, many will have to be gradually 1 20 <br /> lowered to accommodate next year's runoff. <br /> 10 <br /> Public Use Impacts 0 A Ap 1961-1992 OCTOBER AVERAGE OCTOBER 1993 <br /> This is the time of year when snow making at the ski <br /> areas goes into full swing. This can place demands on small <br /> creeks and cautions are taken to ensure minimum stream <br /> flows rights are sustained. As a result of last <br /> spring's high runoff and adequate summer precipitation, the <br /> base flows at these sites are running above average and so Representative Reservoirs <br /> there should not be a serious problem meeting the minimum 130 Colorado River B"'" <br /> flows. 120- <br /> 11 <br /> 110- <br /> 100✓' <br /> 90 <br /> ", <br /> un BO r1 <br /> • 70 <br /> •oSo 6 r <br /> /\ <br /> ,L,40 <br /> 30 <br /> 20 <br /> CrNn Mount.In Rued WI!I1•I•C Fork <br /> i U AV9, 10/31 Content• ® 10/31/93 Content■ <br /> 7 <br />