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ARKANSAS BASIN October, 1998 <br /> Basinwide Conditions Assessment: <br /> The SWSI value of 0.4 indicates that for September ARKANSAS RIVER BASIN <br /> the basin water supplies were near normal. Flow at the S'f.c.rater Supply Index History <br /> S <br /> gaging station Arkansas River near Portland averaged 348 cfs, 4- <br /> as compared to the long term average of 481 cfs. Storage in F <br /> • 3- <br /> Turquoise, Twin Lakes, Pueblo, and John Martin reservoirs <br /> totaled 177% of normal as of the end of September. 2- <br /> 1 Y <br /> g 4 , <br /> Ut 1 I <br /> r. .T. �.,.� <br /> s ! <br /> ▪ -2- <br /> 0 <br /> -4 ................................... �_ ...w...._ 4,...- .. <br /> JAN99 JAN90 JAN91 JAN92 JAN93 JAN94 JAN95 JAN96 JAN97 JAN99 <br /> MONTH/YEAS <br /> • <br /> ARKANSAS RIVER NR. PORTLAND <br /> FLOW&A WATER YEAS <br /> 1 <br /> 0.9 - <br /> 0.9 <br /> 0.7 <br /> p <br /> Q 4 <br /> 0.2 <br /> 0.1 <br /> 0 <br /> Oct Nov 0.c Jan Feb March AprI I May Jun. Ju Iy Aug Sept <br /> NONTH <br /> 0 WET C1964) O Day C12777 0 AVG x 1698 <br /> REPRESENTATIVE RESERVOIRS <br /> ARKANSAS FIVE?9A91N <br /> 260 <br /> 220- `\\� <br /> 220 <br /> 200- <br /> r 130- <br /> II_ <br /> 16p, <br /> 140- <br /> b 120- <br /> V <br /> 90 <br /> 3 r/ \ � i <br /> 40 <br /> John Martin P.Mbto Tu-ouole. Twin lake. <br /> ® AV2. W 30 Content. ® W30/99 COnt.nts <br /> 4 <br />