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RIO GRANDE BASIN <br /> Basinwide Conditions Assessment: <br /> The SWSI value of 2.1 indicates that for September RIO GRANDE BASIN <br /> Surface water Supply Index Htntory <br /> the basin water supplies were above normal. Storage in 5 <br /> Platoro,Rio Grande, and Santa Maria reservoirs totaled 255% ,_ <br /> of normal as of the end of September. Flow at the gaging <br /> station Rio Grande near Del Norte averaged 598 cfs, as 3 :t a <br /> compared to the 1961-1993 average of 493 cfs. The Conejos ^ _ _ _ <br /> ct <br /> River near Mogote had a mean flow of 162 cfs. The National <br /> Weather Service reports basin precipitation as 107%of normal g D <br /> during the month. The average temperature in Alamosa _ II( <br /> F tl <br /> for September was 53.8°, which was 1° below normal. -" . <br /> c. _2— <br /> Alamosa received 1.60 inches of precipitation which was 0.71 <br /> inches below normal. 3- <br /> JAN06 JAN67 JANBB JAN89 JAN9O JAN91 JAN92 JAN93 JAN94 JAN9S <br /> Outlook <br /> With the beginning of a new water year the outlook <br /> for water supplies is promising. Most reservoirs will go into <br /> the winter with above normal storage amounts. The rivers of <br /> the basin are beginning their descent into base flow levels for <br /> the winter. RIO GRANDE NR. DELNORTE <br /> FLOW BY WATER YEAR <br /> 1.1 <br /> Administrative/Management Concerns 1 <br /> Many ditches and canals have substantially decreased 0.9 <br /> their diversions now that the growing season is coming to a •s o a <br /> close. The irrigation diversions that we have now are : 07 <br /> expected to decrease and then stop altogether at the end of o a O,6 <br /> October. The few canals that have recharge decrees will begin W 05 . <br /> diverting their recharge water in the near future. 5 v 04 - . -- <br /> 0.3 <br /> Public Use Impacts 0 2 <br /> Soon, ice will cover the water and ice fishermen will <br /> flock to the lakes and steams of the valley. <br /> Oct Nov Dec Jan Fop March April May Juno July Aug Sect <br /> AQNTH <br /> AET(19977 O DRY(1977) A AVG 5 1995 <br /> REPRESENTATIVE RESERVOIRS <br /> SO RIO GRANDE BASIN <br /> 4p- <br /> a <br /> n 30 <br /> rn <br /> : <br /> mn <br /> i5 g 20 <br /> m <br /> r \ <br /> Rlo Grande Platoro SantaMar la <br /> Li.;' Avg, 9/30 Lontonto L.N 9/20rss Contents <br /> 5 <br />