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• <br /> RIO GRANDE BASIN August, 1998 <br /> • <br /> Basinwide Conditions Assessment: <br /> The SWSI value of -0.3 indicates that for July the R I O GRANDE BASIN <br /> basin water supplies were near normal. Flow at the gaging 5 <br /> Bute«NeLer Supply Index Nlstery <br /> station Rio Grande near Del Norte averaged 950 cfs, as 4_ <br /> compared to the long term average of 1,408 cfs. The Conejos • 3- L <br /> River near Mogote had a mean flow of 408 cfs (86% of ., �` <br /> normal). Storage in Platoro, Rio Grande, and Santa Maria 2-•• - f Tk , <br /> reservoirs totaled 99% of normal as of the end of July. Y. "- ; � ;, <br /> Precipitation in Alamosa was 1.52 inches,0.33 inches 0 0- <br /> above normal. Temperatures ranged from 44° to 89° in - <br /> lr 1 ' f <br /> Alamosa where the average monthly temperature was 65.7°, ,. 2- _- . ,_ :: I ',.: <br /> 0.8° above normal. Almost daily rainstorms brought a great a = <br /> deal of refreshment to the valley. Above average precipitation _3- <br /> greatly improved soil moisture during July and helped offset -4 , f I.-..-_-----___-_- <br /> JANRO JAN90 JAN91 JAN92 JAN93 JAN94 JANCS JAN99 JA.N97 JANOe <br /> the dry, windy conditions of the past few months. However, „EAR/14311r11 <br /> farmers and ranchers now need some of the sunshine the for <br /> which the valley is famous to catch up crop and pasture land <br /> production. <br /> Administrative/Management Concerns R I 0 GRANDE NR. DELNORTE <br /> Basin administrators believe reservoir storage is very 1,1 'OATEN OY , raw <br /> low in the Rio Grande basin. Junior water right owners in the 1 I <br /> Rio Grande drainage should expect senior calls to keep them 0.9 <br /> out of priority for the rest of the irrigation season. a e <br /> Deliveries of water to the New Mexico state line as • 0.7 <br /> required by the Rio Grande Compact have been more than o o - l` <br /> adequate. Little or no curtailment of water rights for Compact LL- o.s <br /> gv <br /> delivery purposes is expected. Well production from the i 0.4 . - <br /> Closed Basin Project continued to deliver between 40 and 50 o.3 . <br /> cfs of water to the Rio Grande. 0.2 <br /> 0.1 xr <br /> Public Use Impacts 0 <br /> Oct Nov Dec Jan Feb b rth Aorl I M11y June July Aug Sept <br /> Water users and recreators should expect below M7M11 <br /> average stream flows and reservoir levels through the end of SET`""' OW`1977 AVG x "°° <br /> the summer. <br /> REPRESENTATIVE RESERVOIRS <br /> RIO=ANN 9ASIN <br /> 32 <br /> 30- <br /> 28- \ <br /> 26- <br /> 27 <br /> i• 2 <br /> ;„ 20- <br /> e 19- <br /> g; 16- <br /> hP '41- <br /> e 12-.,/ V <br /> 6 /\ <br /> Rlo Grande Pl store Sant.Mrla <br /> ® Avg. 7/31 Contents ® 7/31/119 Content. <br /> s <br /> 5 <br />