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SOUTH PLATTE BASIN <br /> Basinwide Conditions Assessment: <br /> The SWSI value of +2.4 indicates that for June the SOUTH PLATTE R I VER BAS I N <br /> basin water supplies were above normal. Reservoir storage, 5 Surface Water Supply l "Story <br /> the key component in this basin in computing the SWSI value, 4_ <br /> was 104% of normal on June 30. Storage in the major plains <br /> reservoirs,Julesburg,North Sterling,and Prewitt,increased by <br /> 8,653 acre-feet during June and are at 95% of capacity. 2 �—, -_ • <br /> Storage in the major upper basin reservoirs,Cheesman,Eleven 1 E • .. : <br /> Mile, Spinney, and Antero, increased by 26,205 acre-feet and D 1L <br /> are at 92% of capacity. The mean daily flow at the Kersey 1_ "i' <br /> gage on the South Platte River was 1,458 cfs, as compared to <br /> a _2_ <br /> the 1961-1991 June average of 2,956 cfs. Flow at the a <br /> Colorado/Nebraska state line averaged 176 cfs for the month. -3- <br /> _4 1 <br /> JAN64 JANB5 JAN86 JAN87 JAN88 JAN89 JAN90 JAN91 JAN92 JAN93 <br /> bt7NTIV YEAR <br /> SOUTH PLATTE RIVER NR KERSEY <br /> FLOW BY WATER YEAR <br /> 2.8 <br /> 2.• <br /> 2,4 <br /> 2.2 <br /> a <br /> $ 2 <br /> B <br /> ^e 1.6 <br /> �- 1 4 <br /> LL— <br /> W:4,, 1.2 • <br /> t <br /> 5 1 <br /> I DB <br /> 0.6 <br /> 0 4 f� <br /> O.2 <br /> 0 • <br /> Oct Nov D. Jan Feb Waren April May June July A. Ssot <br /> IONTH <br /> ❑ WET(1963) 0 DRY(1964) A AVG X 1993 <br /> REPRESENTATIVE RESERVOIRS <br /> $QUTM PLATTE RIVER BASIN <br /> 260 <br /> 240 <br /> 220 <br /> 2O0 �� <br /> • <br /> 160 <br /> 1 <br /> 140 J///120 <br /> /'�\` <br /> c - <br /> 40 <br /> Dillon Nors:etooth Eleven Mlle Cheese,. Jackson Barr Lake <br /> v...6 Avg. 6/3O Content. ® 6/30/93 Contents <br /> 3 <br />