DWR_4151891 - Laserfiche WebLink

} SOUTH PLATTE BASIN Basinwide Conditions Assessment: The SWSI value of +1.9 indicates that for February SOUTH PLATTE RIVER BASIN ie basin water supplies were above normal. Reservoir s Surface Qatar Supply Index Hlstary storage, the key component in this basin in computing the 4— SWSI value, was 108% of normal on February 28. Storage in . r the major plains reservoirs, Julesburg, North Sterling, and • 2 1 -` Prewitt,increased by 15,564 acre-feet during February and are -. `--r at 88% of capacity. Storage in the major upper basin ~ f"1 reservoirs, Cheesman, Eleven Mile, Spinney, and Antero, o Q r' decreased by 4,444 acre-feet and are at 86% of capacity. The _ Soil Conservation Service reports February 28 snowpack at • _2 102%of normal. The National Weather Service reports basin precipitation as 95% of normal during February. The mean _3_ daily flow of the South Platte River at the Kersey gage was JAN8S JANOS JANB7 JAN88 JAN89 JAN90 JAN91 JAN92 JAN93 JAN94 757 cfs, as compared to the 1961-1993 February average of MUNTFV YEAR 799 cfs. Flow at the Colorado/Nebraska state line averaged 593 cfs. The month of February saw better than average stream flows throughout the basin. Reservoirs that were not iced out continued to fill, and recharge continued in Districts SOUTH PLATTE RIVER NR kERSEY 1, 2, and 64. Reservoir storage is generally good. Basin 450 FLOW BY WATER YEAR administrators feel the snowpack which develops after March 900 1 will be the most important predictor of next season's runoff. / 350 300 � u� ■ 1 250 3 a O n W c 200 ?V 150 100 SO 0 Oct Nov Oec Jan Feb March MONTH ❑ WET C1983) O ORY(1964) ❑ AVG X 1994 Representative Reservoirs South Platte Basin 220 • 200 a 120✓/ \\ ui o 40 011lon Hor4etoptth Eleven Mlle C haoempnn Jackson Barr Lake L1J Avg 2/2e Cont•nt9 2/28/94 contents •