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AL ICA SAS BASIN <br /> Basinwide Conditions Assessment: I <br /> The SWSI value of +1.2 indicates that for May the ARKANSAS RIVER BASIN <br /> basin water supplies were slightly above normal. The s Surface Water OVEP ly Index"f aca y <br /> National Weather Service reports May precipitation at 55%of 4- <br /> average. The Soil Conservation Service reports snowpack on ut 3- <br /> June 1 at 56% of average. Reservoir storage measured on - = - fi <br /> June 1 was 88% of average. Flow at the gaging station, 2- 1 "� I --- r . <br /> 7'; <br /> Arkansas River near Portland, averaged 1132 cfs for the $. '- 2: k <br /> . , ' ', ' <br /> month which matched the 1965-1991 Mayaverage. Soil o - r L- - 0. - i : <br /> 1 <br /> _ <br /> moisture was low at the beginning of May but increased _ �- <br /> during the month due to precipitation. Relatively mild _ I ', <br /> weather on the plains has put crop production ahead of a .� f <br /> normal. This spring began with a warm, dry early period and -3- <br /> was followed by cooler, wet weather. <br /> JANe3 JANE4 JAN05 JAN88 JAIA7 JANE9 JAN89 JAN90 JAN91 JAN92 <br /> ICMTW YEAR <br /> Administrative/Management Concerns: <br /> The Amity call (2-21-1887) controlled the main steam <br /> from May 1 through May 22, the Ft.Lyon #2 call (3-1-1887) <br /> controlled May 23 and 24, and during the remainder of the <br /> month.the call varied between 5-7-1887 and 3-13-1889 due to ARKANSAS RIVER NR. PORTLAND <br /> BY <br /> higher runoff conditions. FLOW WATER YEAR <br /> :.:Public Use Impacts: <br /> The Arkansas Headwaters Recreation Area has just i 0.7 <br /> purchased 160 acres on the Arkansas River near Wellsville for l <br /> n 0.6 <br /> fishing access. The number of white water rafters on the •g 0.5 <br /> Arkansas has grown from less than 50,000 in 1981 to 217,000 Ov o 4 <br /> in 1990. Generated revenue is estimated at $34 million per <br /> year. The U.S. Bureau of Reclamation has announced they 0.3 <br /> will continue to sustain upper Arkansas flows with targeted 0.2 ` <br /> amounts of 750 cfs in July and August for rafters and 250 cfs 0., ' ` <br /> in January and February for fish propagation. . I <br /> Oct Nov 0m Jan Fab March Apr1i May Juno July Aug Sot <br /> MOWN <br /> f] VET C1904) • DRY C1977) V Avg A 1992 <br /> REPRESENTATIVE RESERVOIRS <br /> ARKANSAS RIVER BASIN <br /> 140 <br /> 130- <br /> i 90" <br /> 4^ a0- <br /> gilt <br /> i V <br /> 90 :77 <br /> n7e%I.' <br /> 0 ii \ //./ \. //,/2 \ <br /> John Mrtfn Pueblo TirquA4io Twin Lek. <br /> ® Avg. 5/31 ContAnta ® 5131/92 Contonta <br /> 4 <br />