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<br />SOUTH PLATTE BASIN <br /> <br />Jan-06 <br /> <br />Basinwide Conditions Assessment <br />The SWSI value of 1,9 indicates that for December <br />the basin water supplies were above normal. Reservoir <br />storage, the major component in this basin in computing the <br />SWSI value, was 108% of normal as of the end of <br />December. Cumulative storage in the major plains <br />reservoirs: Julesberg, North Sterling, and Prewitt, is at 66% <br />of capacity, Cumulative storage in the major upper,basin <br />reservoirs: Cheesman, Eleven Mile, Spinney, and Antero is <br />at 88% of capacity, The Natural Resources Conservation <br />Service reports that January 1 snowpack is 132% of normal. <br />Flow at the gaging station South Platte River near Kersey <br />was 502 cfs, as compared to the long-term average of 684 <br />cfs, Flow at the Colorado/Nebraska state line averaged 165 <br />cfs, <br /> <br />Outlook <br />Reservoir storage continued as the main diversion in <br />December, Warmer conditions toward the end of the month <br />allowed for increased storage, Administrators anticipate all <br />reservoirs will reach their winter safe storage level on the <br />South Platte some time in January, Once reservoirs have <br />reached their winter safe storage level, we anticipate the call <br />will become junior for recharge. Reservoirs will again pick up <br />in March to finish their fill for the year, <br />The recharge call will mark a strong contrast with the <br />last few years where senior reservoir calls controlled the <br />mainstem of the South Platte all winter, This bodes well for <br />the overall supply for 2006 especially with snowpack <br />continuing to exceed average through out the basin. <br /> <br />,.....,. <br /> <br />40 <br />30 <br /> <br /> <br />~20 <br />~ <br />w \0 <br />~ <br />~oo <br />~ <br />o <br />',\0 <br /> <br />> <br />~-al <br /> <br />-30 <br />40 <br />~ ~ ~ ~ ~ ~ ~ ~ ~ ~ <br />MNIf"," <br /> <br />SOJTH PlATTE ~ lIR KER3EY, RDN BY VVATER YEAR <br /> <br />700,"" <br /> <br />QifO),<XX> <br />. <br />"- <br />~ !iXl,COO <br />< <br />~ <br />o 4OO,cro <br />~ <br />"- <br />w <br />~ 3X>,00J <br />~ <br />~ 2Xl,CIXl <br />:> <br />u <br /> <br /> <br />100,(0) <br /> <br />o <br />O:l <br /> <br />.... <br /> <br />"" <br /> <br />.... <br /> <br />Mrd1 <br /> <br />"" <br /> <br />Api <br /> <br />--a---\o\ET(1563) <br /> <br />__(R((1004) <br /> <br />-6-AVG <br /> <br />.....2X6 <br /> <br />REPRESENTATIVE RESERVaRS <br /> <br />,.,,'" <br /> <br /> <br />"",,," <br /> <br />j <br />~ 150,00) <br />. <br />. <br />a <br />. <br />o <br />~ 100,(00 <br />~ <br /> <br />"'''" <br /> <br />Dilen I-bsetWh 8e-.<<l Mia Oleesrmn Jad<scn Barr Lake <br /> <br />_A'-'J.12f31 Ca1atS <br /> <br />B12131106Ca1oo1s <br /> <br />3 <br />