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ARKANSAS BASIN <br /> Basinwide Conditions Assessment: <br /> The SWSI value of 0.9 indicates that for February the ARKANSAS RIVER BASIN <br /> basin water supplies were slightly above normal. The Natural Surface Water Supply Index History <br /> 5 ? <br /> Resources Conservation Service reports March 1 snowpack as 4- <br /> 91% of normal. Storage in Turquoise, Twin Lakes, Pueblo, _ • <br /> and John Martin reservoirs totaled 106% of normal on 3 11. <br /> :f <br /> February 28. Flow at the gaging station Arkansas River near 2 -_- _ �;; <br /> Portland averaged 383 cfs, as compared to the 1965-1993 1 IM <br /> R IA I >�I <br /> February average of 345 cfs. The National Weather Service g 0 INNW I <br /> K�IIN �,1 • I <br /> computes basin precipitation as 111% of normal during the - II - <br /> month. <br /> -2- : <br /> -3- <br /> -4 <br /> JAN95 JAN97 JANO9 JAN99 JAN90 JAN91 JAN92 JAN93 JAN94 JAN95 <br /> MONTH/YEAR <br /> ARKANSAS RIVER NR. PORTLAND <br /> FLOW Eff WATER YEAR <br /> 150 <br /> 140 <br /> 120 <br /> 120 <br /> 110 <br /> 100 <br /> a 66 90 <br /> LL] 9D <br /> 70 <br /> 60 <br /> 50 <br /> 40 <br /> 30 <br /> 20 <br /> Oct Nov Dec Jan Feb Meech <br /> ACNTH <br /> Q WET(1994) O DRY(1977) A AVG X 1695 <br /> Representative Reservoirs <br /> 150 Arksncas River Bic h <br /> 140- <br /> 120- <br /> 120- <br /> 11D�0 1 - <br /> - <br /> din 90' <br /> 1 0�� <br /> tf, 60 <br /> 50 \ ✓ \ <br /> 30 <br /> Z\ <br /> John Martin Pueblo T.r oolce Twin Lakes <br /> ® Avg. 2/29 Content, i-LY 2/29/95 Contents <br /> 4 <br />