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ARKANSAS BASIN February, 1997 <br /> Basinwide Conditions Assessment: <br /> The SWSI value of 3.3 indicates that for January the ARKANSAS RIVER BASIN <br /> basinSurface IlMtar Supply Inca%History <br /> water supplies were well above normal. The Natural 5 <br /> Resources Conservation Service reports February 1 snowpack 4- <br /> as 145%of normal. Flow at the gaging station Arkansas River F _ <br /> near Portland averaged 483 cfs, as compared to the long term 3 <br /> average of 354 cfs. Storage in Turquoise,Twin Lakes,Pueblo, - <br /> and John Martin reservoirs totaled 187% of normal as of the '- <br /> end of January. g 0 \ ` <br /> -}-4 * <br /> 0 <br /> -3- <br /> -4 1 -.,,,,,,,,,,T. <br /> JAN99 JAN89 JAN80 JAN91 JAN92 JAN93 JAN94 JAN95 JAN96 JAN97 <br /> MONTH/YEAR <br /> ARKANSAS RIVER NR. PORTLAND <br /> FLOW BY WATER YEAR <br /> 150 <br /> 140 <br /> 130 <br /> 120 <br /> 110 <br /> 1°° <br /> so <br /> ■ <br /> 7 P 70 <br /> 60 <br /> 1 50 <br /> 40 <br /> 30 • <br /> 20 <br /> 10 <br /> Oct Nov Oac Jan Feb Merch <br /> MONTH <br /> O WET(1904) 0 CRY(1977) o AVG A 1997 <br /> REPRESENTATIVE RESERVOIRS <br /> ARKANSAS RIVER BASIN <br /> 280 <br /> 20- <br /> 240 W <br /> 220- <br /> 180— <br /> • r 160- <br /> n 140- <br /> 111"C 12°- <br /> 0 100- <br /> .2� 801�/ <br /> 60 <br /> 40 ! \ <br /> V/\ <br /> John Martin PuaDlo Turquoise Twin Lakes <br /> ® AYp. '1/31 Content* ® 1/31197 Contents <br /> 4 <br />