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••A <br /> *-I <br /> RIO GRANDE BASIN <br /> Basinwide Conditions Assessment: <br /> The SWSI value of -0.7 indicates that for July the RIO GRANDE BASIN <br /> basin water supplies were slightly below normal. Reservoir 5 s ,"'W.t.r Supply Index History <br /> storage measured on August 1 was 84% of average. Flow at , <br /> the gaging station, Rio Grande near Del Norte, averaged 836 - 3_cfs for the month as compared to the 1961-1991 July average i8i <br /> of 1420 cfs. The Conejos near Mo ote avers ed 390 cfs. July - 11 <br /> was a coal month with below normal temperatures. A j �: <br /> i., <br /> monsoonal flow was over the area for several da s which ar �� f > <br /> Y j' <br /> . L I : 1i <br /> helped to produce near normal precipitation. The flows on _,_ : 1 h {{ <br /> the Rio Grande and it's tributaries continued to decrease - i� - <br /> -2- , 1 <br /> throughout the month with the exception of a few days in the <br /> last week of July when the flows were increased by heavy 3 I 1 <br /> rains. Storage in Rio Grande Reservoir decreased rapidly from -4 .. . . .. ....T <br /> JAN83 JAN84 JAN85 JAMBS JAN81 JAN88 JAN89 JAN90 JAN91 JAN92 <br /> 5685 acre-feet on July 1 to 613 acre-feet on July 31 to meet YEAR/MONTH <br /> irrigation needs. . <br /> Administrative/Management Concerns <br /> Colorado delivered 7080 acre-feet to the New Mexico <br /> state line during July. On July 14 the Closed Basin Operating RIO GRANDE NR. DELNORTE <br /> Committee, in conjunction with the Bureau of Reclamation, 1 '1 FLOW BY WATER YEAR <br /> - � <br /> the Rio Grande Water Conservation District, and the State of , ' , , <br /> Colorado decided to curtail water production from the Closed 0 9 1 11 1 <br /> Basin Project. This decision was made because the Rio v 0 8 <br /> LL <br /> Grande has met its commitments under the compact. The 0 7 L <br /> project will continue to make water deliveries for the Conejos o� 1' <br /> River's obligation. 4- n s <br /> S 0.4 'a <br /> Public Use Impacts 1 0 3 <br /> With the summer heat upon us, the surrounding 0.2 <br /> mountains with their reservoirs and streams provide a nice a i <br /> retreat for fishing, hiking, camping, picnicking, or just ° <br /> OCt Nov Dec Jan Feb Larch Apr11 May Jun. July A. S.at <br /> relaxing. Afternoon showers accompanied by lightning are a M:NTN <br /> a 1.daily occurrence in the mountains this time of year, so use WET`'9°� DRY c,977, o s ,eel <br /> caution and don't forget your raincoat. <br /> REPRESENTATIVE RESERVOIRS <br /> RIO GRANDE BASIN <br /> 35 <br /> 30- \ <br /> 25 <br /> j \ <br /> ig <br /> N2 is— \ <br /> 5 / <br /> D ,...I A\ //_ <br /> Rip Gran. Platoro Sent/Oder. <br /> ® Avg 7/31 Content. ® 7l 311.2 COnt.nt. <br /> 5 <br />