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ARKANSAS BASIN May, 1997 <br /> Basinwide Conditions Assessment: <br /> The SWSI value of 3.2 indicates that for April the ARKANSAS RIVER BASIN <br /> basin water supplies were well above normal. The Natural L <br /> Stria.Water NP1y Mini HI story <br /> s _ <br /> Resources Conservation Service reports May 1 snowpack as <br /> 150% of normal. Flow at the gaging station Arkansas River _ . ' L. <br /> is 3near Portland averaged 470 cfs,as compared to the long term ,9 <br /> average of 439 cfs. Storage in Turquoise,Twin Lakes,Pueblo, 2- <br /> and John Martin reservoirs totaled 172% of normal as of the - ! n r <br /> end of April. _ ° ?lip( , <br /> r-f <br /> rhyme <br /> t -2- <br /> 0 <br /> -3- <br /> JA2408 J4N39 JAN90 JAN91 JAN82 JAN93 JAN94 .1AN95 JAN96 JAN97 <br /> IUNTWYEAR <br /> ARKANSAS RIVER NR. PORTLAND <br /> FLOM NV WATER YEAR <br /> 3G0 <br /> 340 <br /> 320 <br /> 300 <br /> 210 <br /> 26° <br /> i 240 <br /> k n 220 <br /> w 2°° <br /> J <br /> r 1.0 <br /> 16° <br /> V 1♦0 <br /> 120 <br /> 1s <br /> 4 <br /> s <br /> 40 <br /> 20 <br /> ° <br /> Oct t•ov Dec Jan Feb &Mr,. Apr 1 1 wy <br /> FONTH <br /> V YET(1984) O DRY(1977) G AVG X 1997 <br /> REPERSENTATIVE RESERVOIRS <br /> • ARt.ANSAS RIYEA 6ASIN <br /> 260 <br /> 720 <br /> 2z°- <br /> 11° <br /> 1 - <br /> i n 160 � \ <br /> 1 _ / <br /> \ <br /> b2 12°- <br /> 100- <br /> 6° <br /> 20 <br /> ° <br /> John M6rt1n Pueblo Tur9ua140 Twln Lekry <br /> ® AVq. 4130 Contents ® 4130/17 Gent.nte <br /> 4 <br />