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<br />SOUTH PLATTE BASIN <br /> <br />Jan-05 <br /> <br />Basinwide Conditions Assessment <br />The SWSI value of +0.6 Indicates that for December <br />the basin water supplies were near 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 61 % <br />of capacity. Cumulative storage in the major upper-basin <br />reservoirs: Cheesman, Eleven Mile, Spinney, and Antero is <br />at 74% of capacity. The Natural Resources Conservation <br />Service reports that January 1 snowpack is 92% of normal. <br />Flow at the gaging station South Platte River near Kersey <br />was 738 cfs, as compared to the long-term average of 684 <br />cfs. Flow at the Colorado/Nebraska state line averaged 84 <br />cfs. <br /> <br />Outlook <br />Reservoir storage continued in December for <br />reservoirs along the mainstem and tributaries. Calls for <br />storage continued through out the basin except below the <br />Prewitt inlet on the lower end of the Platte. Calls for storage <br />also existed on tributaries in December, the normal situation <br />for this time of year. Storage levels remain at a much better <br />place than the last few years and administrators are fairly <br />confident that the major in-basin reservoirs that generally fill <br />will fill this spring. <br /> <br />"""""" <br /> <br />~, <br />~ <br />f <br />g" <br /> <br /> <br />. <br /> <br />. <br /> <br />. <br />...-.m..lln8lJlrl.llO-.co.-..o1J1n.(lZ~.-.04..w>OS <br />.om""", <br /> <br />OCUI'H RATTE Rrvm. toR ~. FlDN BY WATER YEAR <br /> <br />700,000 <br /> <br /> / <br /> / <br /> / .---- <br /> ------ ~ -- <br />~ <br /> <br />000.000 <br />1 <br />lOlO.ooo <br />< <br />~ 400,000 <br />~ <br />~ <br />~ :m,an <br />~ <br />~ "'.000 <br />" <br />100,0:0 <br /> <br />o <br />oa <br /> <br />Do: <br /> <br />"'" <br /> <br />... <br /> <br />""" <br /> <br />"" <br /> <br />.... <br /> <br />-e-'JIJET(1963} <br /> <br />~AVG <br /> <br />*'= <br /> <br />__CRV(1964} <br /> <br />REPRESENTA1lVE RESERIIOIRS <br /> <br />"".. <br /> <br /> <br />..... <br /> <br />1 <br />R 15l.llOO <br /> <br />! <br />i ,.,.. <br /> <br />"'," <br /> <br />DIm Horaeloolh EleYen Mile 0Ieesman Jackscn Barr Lake <br /> <br />.A..g. 12131 Contents <br /> <br />III 12131J04Contents <br /> <br />3 <br />