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SOUTH PLATTE BASIN <br /> Basinwide Conditions Assessment: <br /> The SWSI value of+1.9 indicates that for September SOUTH PLATTE RIVER BASIN <br /> Surface Watt•/Supply thee.A Nlat•ry <br /> the basin water supplies were above normal. Reservoir s <br /> storage, the key component in this basin in computing the 4 <br /> SWSI value, was 119% of average on September 30. The F 1 l.i I <br /> W 3 111111 111 '1 III II II 11 <br /> National Weather Service reports September precipitation at • I I I III 1,IIII 11 I1 11 <br /> III 111111 Ill 1111111 IIL IIIIII II <br /> 19% of normal. Storage in the major plains reservoirst' II; 111111 111 1111111 1111111 1,1111111 11 a 11 1, 1. <br /> ill, 111111 W111 IIIIIII 111,1111 11111111! 1 IIII III i II 111 <br /> {� 111 11111 1111111 IIIIIIII 111111 111 1 III 1 1111 II <br /> 'I I. IIII IJulesburg, North Sterling, and Prewitt decreased by21,940 g 11 I I II 1 1 11111 1 I II IIIIII IIIIII- III III IIIIIIII 1111111111 11111I1111 IIII UM IIIIIII <br /> acre-feet during September and are at 30% of capacity. D 11 1 I I I IIIIII III III I I11 f 1 IIIIIII I I I IIIIIII IIIIII I I IIII I p I I I I <br /> i Sill II"II <br /> Storage in the major upper basin reservoirs,Cheesman,Eleven -, 1 11 <br /> Mile, Spinney, and Antero, decreased by 15,530 acre-feet and <br /> are at 92% of capacity. Flow at the gaging station, South ▪ -2 <br /> Platte River near Kersey, averaged 518 cfs for the month as "3 <br /> compared to the 1961-1991 September average of 732 cfs. <br /> .MN113 JAMS. JANOS J.1116 JA147 JANOS JANU9 JANYO JA1i1 4002 <br /> Flow at the Colorado/Nebraska stateline averaged 630 cfs for ramvYEAR <br /> the month. <br /> Administrative/Management Concerns <br /> The earliest calls in effect on the South Platte during <br /> September were the Denver Intake of 9-5-1892 in District 8 SOUTH PLATTE RIVER NR. KERSEY <br /> and the Barr Lake Refill of 1-15-1909 in District 2. Both of 2.0 FLOW Ma WATER rEA• <br /> these calls were placed on September 3rd. While it was a dry 2.0 <br /> month the end of the growing season resulted in a low 2.4 <br /> 2.2 <br /> demand for irrigation water. 2 <br /> Z 12 <br /> Div▪ 1.2 <br /> • <br /> O.6 <br /> 0 4 <br /> 0 2 <br /> r� ~ <br /> 0. <br /> Oct Nei 0•c Jan Feb Wren AOr 11 Say Jute July AMq &let <br /> MON <br /> G err(INJ) + OP.C1N4) • AVG. • 1N2 <br /> REPRESENTATIVE RESERVOIRS <br /> AOUTH PLATTE•1 VEO Gain <br /> NO <br /> 210— <br /> 220 7 200 <br /> 1"-A <br /> '20• �- ion <br /> - /7-\\ .*\\ ///- f7*-7 <br /> D111en /b7•LOOt1t Eleven Yl l• Clraaaan JMCku•n Mart lake <br /> ® AVE. V 30 OOntenta ® V 3W/2 Cs.t.*• <br /> 3 <br />