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Tar SOUTH PLATTE BASIN <br /> Basinwide Conditions Assessment: <br /> SOUTH PLATTE RIVER BASIN <br /> The SWSI value of 0.0 indicates that for January '"' ter Supply Index Nletorr <br /> the basin water supplies were normal. Reservoir storage, <br /> the key component in this basin in computing the SWSI <br /> value, was 90% of normal on January 31. Storage in the W 3 11:r3 �major plains reservoirs, Julesburg, North Sterling, and 2W 1IIPrewitt, increased by 11,185 acre-feet during January and "I'i'. i <br /> J illlll I,II II <br /> are at 74% of capacity. Storage in the major upper basin i,ii <br /> „ fill <br /> reservoirs, Cheesman, Eleven Mile, Spinney, and Antero, g <br /> decreased by 1,185 acre-feet and are at 83% of capacity. -1 <br /> The Soil Conservation Service reports January 31 snowpack 1111111112 <br /> at 90% of normal. The National Weather Service reports o _3 <br /> December precipitation as 65%of normal. The mean daily <br /> flow for January at the Kersey gage on the South Platte JAN64 JANBS JANBB JANBO JANe2 <br /> JAN95 JAN97 JAN69 JAN91 JAN93 <br /> River was 774 cfs. Flow at the Colorado/Nebraska stateline ILINTWYEAR <br /> averaged 846 cfs for the month. <br /> Administrative/Management Concerns <br /> The earliest call in effect on the South Platte during SOUTH PLATTE R I VER NR. KERSEY <br /> January was the Cheesman storage call of 6-27-1889 placed FLOW WATER YEAR <br /> 450 <br /> on November 24 in District 80. <br /> 400 <br /> 350 ' <br /> r <br /> LL WO <br /> • f <br /> 250 <br /> 200 <br /> W F <br /> 7 V <br /> i130 + <br /> 100 <br /> 50 <br /> 0 <br /> Oct Nov Dee Jon Feb March <br /> MONTH <br /> CI WET C 10B3) C oar C 19i4) A AVG x 1003 <br /> REPRESENTATIVE RESERVOIRS <br /> SOUTH PLATTE BASIN <br /> 240 <br /> 200 •� <br /> • <br /> r . <br /> Lei v 10 �. :' <br /> Dillon Eleven Milo Jackson <br /> Hor0 tooth C,...len Derr Loft <br /> •__:_Avg. 1/31 Cootonts ®1/31/93 Contents <br /> • <br />