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a <br /> . R <br /> COLORADO BASIN April, 1997 <br /> r <br /> Basinwide Conditions Assessment: <br /> The SWSI value of 2.7 indicates that for March the COLORADO RIVER BASIN <br /> asin water supplies were above normal. The Natural 5 Sur''" _�Supply Index History <br /> Resources Conservation Service reports April 1 snowpack as 4_ <br /> 118% of normal. Flow at the gaging station Colorado River <br /> w 3- 1 <br /> near Dotsero averaged 1,603 cfs as compared to the long term _ =- <br /> average of 1,088 cfs. Storage in Green Mountain,Ruedi, and 2- �'� <br /> Williams Fork reservoirs totaled 116%of normal as of the end 1 1- ; <br /> of March. 1 0 ill - - - I.4 -� y <br /> _i_ -,,,,, , ,,--„,. v y\L. <br /> z, 6[ : <br /> Administrative/Management Concerns Y _ f/A. 1,, , ,-....., , .', <br /> Transmountain diversions from the Fryingpan River to 0 2- - E C . <br /> the Arkansas River are being prepared by the U.S. Bureau of 3- <br /> Reclamation staff. Since mid-March they have been plowing -4 <br /> JAN99 JAN92 JAN90 JAN91 JAN92 JAN93 JAN94 JAN95 JAN96 JAN97 <br /> snow to access the control houses, setting charts, clearing rIONTw YEAR <br /> channels, and inspecting the tunnel system. <br /> Public Use Impacts <br /> At the low end of the basin reservoirs are filling and <br /> irrigators are running water. In the high country, the larger COLORADO RIVER NR. DOTSERO <br /> reservoirs, such as Green Mountain and Ruedi, are still 700 FLOW NV WATER YEAR <br /> dropping in anticipation of high runoff. The snow keeps <br /> falling. .0 <br /> 500 /I <br /> ji <br /> 100 <br /> 0 <br /> Oct. NOV Dec Jan Feb Waren April <br /> ICHTN <br /> 0 WET(19124) O DRY C1977) a AVG X 1297 <br /> REPRESENTATIVE RESERVOIRS <br /> COLORADO RIVER BASIN <br /> 70 <br /> V \ <br /> F SO <br /> 40 r <br /> si <br /> ../. <br /> Wg 30 7\ <br /> r <br /> n <br /> � 20 i://\:::. <br /> 10 <br /> 0 <br /> Groan Mountain RuNOI WI I Iteem Fork <br /> ® AVG. 3/31 ContEnta ® 3/31/27 Contents. <br /> 7 <br />