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V r <br /> ARKANSAS BASIN March, 1999 <br /> Basinwide Conditions Assessment: <br /> The SWSI value of 0.2 indicates that for February the ARKANSAS RIVER BASIN <br /> 9urYe«Water Supply Index History basin water supplies were near normal. The Natural <br /> 5 <br /> Resources Conservation Service reports that March 1 4_ <br /> snowpack is 79% of normal. Flow at the gaging station 3_ _ • <br /> Arkansas River near Portland averaged 522 cfs, as compared <br /> to the long term average of 345 cfs. Storage in Turquoise, 2- • <br /> Twin Lakes,Pueblo, and John Martin reservoirs totaled 171% ,- - - • <br /> 11 <br /> of normal as of the end of February. g 0 r .- <br /> Outlook -' <br /> None. sr -2- / <br /> Administrative/Management Concerns -4 , <br /> JAN90 JANS1 JAN92 JAN93 JAN94 JAN9S JAN96 JAN97 JAN90 JAN99 <br /> None. www YEAR <br /> Public Use Impacts <br /> None. <br /> ARKANSAS RIVER NR. PORTLAND <br /> FLOW BY WATER YEAR <br /> 150 <br /> 140 <br /> 130 <br /> 120 • <br /> 110 <br /> pn 100 <br /> 90 <br /> F so <br /> 70 <br /> 1 a° <br /> so <br /> 40 <br /> 30 <br /> 20 <br /> Oct 14av Dec Jan Feb baron <br /> MINN <br /> Q WET(1204) O DRY C1977) A AVG 5 1999 <br /> Representative Reservoirs <br /> Arkan9as RrV.r 9aefn <br /> 320 <br /> 300- <br /> 260 <br /> 260- <br /> i <br /> 200 <br /> i 100-,,://\ <br /> 3 SO <br /> 60 <br /> 40 <br /> John Martin Pueblo Turquoise Tut Lakes <br /> 213 Avg. 2/20 Contents ® 2/22/99 Content. <br /> 4 <br />