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COLORADO BASIN <br /> Basinwide Conditions Assessment: <br /> The SWSI value of +2.4 indicates that for November COLORADO RIVER BASIN <br /> Surface Water Supply Index History <br /> he basin water supplies were above normal. The Soil 51 <br /> - <br /> Conservation Service reports December 1 snow pack at 121% 4 <br /> • <br /> of normal. Storage in Green Mountain, Ruedi, and Williams <br /> Fork reservoirs totaled 120% of normal on November 30. 3 3 i <br /> Flow at the gaging station Colorado River near Dotsero 2 T--' - =4►== <br /> averaged 1,132 cfs as compared to the 1961-1993 November 1 . <br /> average of 1,156 cfs at started as a much above average 1 a w _ y - i r---� <br /> snowfall a month ago has been reduced due to the lack of v , '` /� <br /> snowfall in November. ; ' <br /> a -2- _ ,t <br /> Outlook 3- <br /> Most stream base flows have remained above average - <br /> JAN94 JAN95 JAN66 JAN67 JANe0 JAN99 JAN90 JAN91 JAN92 JAN93 <br /> and should remain that way throughout the winter. MDNTW YEAR <br /> Administrative/Management Concerns <br /> The 1,250 cfs (1-17-1902) senior right at the <br /> Shoshone Hydroelectric Power Plant came on during the last <br /> part of October and should remain on throughout the winter COLORADO RIVER NR. DOTSERO <br /> except for several weeks during the first part of 1994 when 506 FLOW BY WATER YEAR <br /> maintenance is usually performed on one of the generating 450 <br /> turbines. Most reservoirs have increased their releases of <br /> 400 <br /> water for power generation as a means to gradually reduce <br /> I 350 <br /> storage for spring runoff. t <br /> 3. <br /> Public Use Impacts '2 250 <br /> Snow making at various ski areas have been in full _" 200 <br /> aroduction. This can place demands on small creeks and <br /> 150 <br /> cautions are taken to ensure minimum stream flow rights are <br /> protected. As a result of last spring's high runoff and 100 <br /> adequate summer precipitation, the base flows at these sites 50 " <br /> Oct Nov Dec Jan Fee March <br /> are running above average and there should not be a serious MDNTH <br /> 0 WET C1904J O DRY C1977J p AVG X 1994 <br /> problem meeting these minimum flows. <br /> REPRESENTATIVE RESERVOIRS <br /> 120 Colorado Myer eosin <br /> 110— <br /> 100— <br /> 90- <br /> in 70 /\\ <br /> V <br /> i 50 \ <br /> k P 50 r <br /> 40 <br /> 3 30 <br /> 20 1 /,,\ /�.,\ <br /> 0 /! \\ // \\ <br /> Green Mountain Rued) Williams Fork <br /> ® Avg. 11/30 Contents ® 11/30/93 Contents <br /> 7 <br />