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SOU1I-!PLATTE BASIN <br /> Basinwide Conditions Assessment: <br /> The SWSI value of+0.5 indicates that for December SOUTH PLATTE RIVER BASIN <br /> the basin water supplies were near normal. The National mams S g"""Water Supply I History <br /> Weather Service reports precipitation for December at 13%of 4_ _ <br /> average. The Soil Conservation Service reports snowpack on 3_ '_ �'' ,� <br /> January1 at 90% of average. Reservoir storage, the key <br /> it :� <br /> g � Y component in this basin in computing the SWSI value, was 2- ,e: <br /> � � � , - ; <br /> _ _ <br /> 110% of average on January 1. Storage in the major plains i 'l=; III.'itr..itri <br /> .� <br /> reservoirs,Julesburg,North Sterling,and Prewitt,increased by i D it. <br /> 22,356 acre-feet during December and are at 79%of capacity. _,_ <br /> Storage in the major upper basin reservoirs,Cheesman,Eleven <br /> Mile, Spinney, and Antero, decreased slightly and are at 88% <br /> of capacity. Flow at the gaging station, South Platte River <br /> near Kersey, averaged 824 cfs for the month as compared to 4 <br /> JANB3 JANB1 JANYS JANB6 JANB7 JANOS JANB9 JAN90 JAN91 JAN12 <br /> the 1961-1990 December average of 811 cfs. Flow at the WIMP YEAR <br /> Colorado/Nebraska stateline averaged 255 cfs for the month. <br /> Recharge projects on the lower South Platte are active. <br /> Outlook: <br /> Development of the Upper South Platte Water Rights SOUTH PLATTE RIVER NR. KERSEY <br /> Management System Continues. This system will combine 450 F`0 BY 111ATER YEAR <br /> water rights information and satellite monitoring data into a 400 <br /> comprehensive tool to used by administrators and water users. <br /> 350 <br /> The system is being developed through the Center for i <br /> •---------e/ <br /> Advanced Decision Support for Water and Environmental 300 . <br /> Systems of the University of Colorado, Aurora, Denver, s 250 <br /> Englewood,Thornton,Centennial Water&Sanitation District, ;g 200 <br /> FRICO, Consolidated Ditches, and the State Engineers Office. 1" „D . <br /> 10D <br /> Administrative/Management Concerns: <br /> There were no calls below Chatfield Reservoir during 50 <br /> December. Above Chatfield Reservoir the calls in effect during 0«� - F., Mreh <br /> the month were Chatfield Reservoir(12/30/1977),the Denver MONTH <br /> YET YEAR[1993) + DRY YEAR C1954) o AYG, n 19 <br /> Intake (12/6/1910), and Cheesman Reservoir (6/27/1889). <br /> REPRESENTATIVE RESERVOIRS <br /> SOUTH PLATTE BASIN <br /> 240 <br /> 220 <br /> 200 ^ <br /> i140 /J/.\\\�`\ <br /> 9 140✓��\\\\ <br /> I i 1201/ \♦ <br /> 112 <br /> dt 10D ✓ \ <br /> i so <br /> 3 64 <br /> D //lttl J//1�\ /�/ \Y /�i��\ f��� E//\\ <br /> Dillon Hereetoeth Eleven Mt14 Chermaan Jeekaon Barr Lake <br /> ® AYQ. 12131 cont... ® 12.31/}1 CpntFt. <br /> 3 <br />