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SOUTH PLATTE BASIN <br /> Basinwide Conditions Assessment: <br /> The SWSI value of-0.1 indicates that for January the SOUTH PLATTE RIVER BASIN <br /> basin water supplies were normal. The National Weather 5 &`''"Water Simply 1°°""'story - <br /> Service reports precipitation for January at 147% of average. <br /> The Soil Conservation Service reports snowpack on February 3 i P 7 �4 t , , . <br /> 1 ranging between 64% and 104% of average. Reservoir <br /> storage, the key component in this basin in computing the 2. J-:: ' ' <br /> SWSI value, was 104%of average on February 1. Storage in i —: , in ,A <br /> the major plains reservoirs, Julesburg, North Sterling, and 1 a 11 ' <br /> Prewitt, increased by 6186 acre-feet during January and is at �' <br /> -1- <br /> 84%of capacity. Storage in the major upper basin reservoirs, ,_ <br /> a -2- <br /> Cheesman, Eleven Mile, Spinney, and Antero, decreased by o <br /> 5993 acre-feet and is at 85%of capacity. Flow at the gaging 3 I <br /> station, South Platte River near Kersey averaged 889 cfs for JANB3 JAN6�1 - <br /> > NBS JAN96 JANS7 JANBY JAN99 JAN90 JAN91 JAN92 <br /> the month as compared to the 1961-1991 January average of M711TW YEAR <br /> 770 cfs. Flow at the Colorado/Nebraska stateline averaged <br /> 787 cfs for the month. Recharge projects on the lower South <br /> Platte are active. <br /> Administrative/Management Concerns: sou T r PLATTE RIVER NR. KERSEY <br /> There were no calls below Chatfield Reservoir during ,so I FLOP BY IATgi SAP . <br /> January. At the start of January the Chatfield Reservoir call 400 ; <br /> (12/28/1977), Denver Intake call (12/6/1910), and the ' <br /> 350 <br /> Cheesman Reservoir call (6/27/1889) were all in effect. The I <br /> 300 - I <br /> Cheesman call affects the upper reaches of the South Platte in C <br /> districts 80 and 23. The Chatfield call came off on January 6 §i 230 <br /> and the Cheesman call was removed on the 21st leaving the 2 2� <br /> 1 <br /> ---------; .....Ar-----------T"------T'-"---------/ <br /> Denver Intake call in effect for the rest of the month. ;" <br /> 100 <br /> SO 1 i <br /> 0 I 1 <br /> Oct NDv Oec Jan Feb March <br /> row. <br /> MET YEAR(1993) + ORY YEAR C19143 o AVG. A 19 <br /> REPRESENTATIVE RESERVOIRS <br /> 90JTN PLATTE BASIN <br /> 2.0 <br /> 200 <br /> ., i. ,/,,, <br /> i ._.n.,,...\ <br /> ..., 140-","::: <br /> ta F 10c /- \� <br /> // 7//7 77 <br /> Dillon .0.-eetcath Eleven MI I• Chee.h•n JACk/On Barr Lake <br /> ® Avg 1/31 Content. ® 1/3 V l2 Contents <br /> 3 <br />