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r <br /> # SAN JUAN/DOLORES/ANIMAS BASIN <br /> Basinwide Conditions Assessment: <br /> The SWSI value of -1.9 indicates that for January SAN JUAN/DOLORES/ANIMAS RIVER BASINS <br /> basin water supplies were below normal. The Natural s Surface Minor Supply I,ASA History <br /> Resources Conservation Service reports February 1 snowpack 4- <br /> as 68% of normal. Flow at the gaging station Animas River l <br /> 3- <br /> near Durango averaged 170 cfs as compared to the 1961-1993 - • i <br /> average of 210 cfs. Storage in McPhee,Vallecito, and Lemon 2- <br /> reservoirs totaled 119% of normal as of the end of January. 1 ; - f_ <br /> •: .-., <br /> The basin has been experiencing a severe precipitation il 0 Alk q �" <br /> deficit duringthepast several months. January1996 was -,_ wi ii,i _ � ' <br /> slightly better with 1.54 inches of precipitation in Durango, Q 2_ M; 4 �i <br /> being 92% of normal. ; ;0 , . , <br /> Snowpack increased from 32% to 68% of normal _3- r <br /> during January. The higher elevation courses, such as in the -4 1 -. ..,..•. <br /> JAN67 JAN98 JAN69 JAN90 JAN91 JAN92 JAN93 JAN94 JAN95 JAN96 <br /> Red Mountain Pass area and the San Miguel Range,were near M0NTFV7EAR <br /> normal. The lowest measurements existed in the lower <br /> elevations and eastern San Juan mountains. <br /> Rivers remained essentially at their normal levels <br /> although the La Plata River was stretched to the maximum to <br /> meet the stock water demand keeping Red Mesa Ward AN IMAS RIVER NR. DURANGO <br /> Reservoir dry. Other reservoirs were carrying their normal 190 FLOW BY WATER rEAA <br /> 180 . <br /> storage amounts for this time of year. 17Q . <br /> Until the later part of the month soil moisture was 160 _ <br /> 150 <br /> very poor around the lower elevation areas. 1 140 <br /> i <br /> 130 - <br /> b n 120 <br /> Outlook :I 110 <br /> 1Q0 <br /> The late month storm activities raised hopes of better W g 90 - <br /> precipitation during the remainder of the winter. s" 60 ` ' �` �_ <br /> 60 <br /> 50 <br /> Public Use Impacts 40 <br /> Ski areas were operating at normal activity assisted by 20 <br /> fairly cool temperatures which kept snow conditions favorable. 10 <br /> Oct Nov pec Jan Feb March <br /> MONTH <br /> 0 WET(1973) 0 ORY[1977) C AVG 3 1396 <br /> REPRESENTATIVE RESERVOIRS <br /> OOLOAES-ANIMAS BASINS <br /> 320 <br /> 280- <br /> 280 <br /> 240 J/� <br /> v <br /> � 220 <br /> • 20../...\\ <br /> V A <br /> "A 1B0 <br /> 51 16Q 7/-\\\ <br /> 3 <br /> P 1,Q <br /> 120 <br /> 100- <br /> 3 80 <br /> 60 <br /> ./-\\ <br /> ..0 <br /> 20 /� r <br /> Y/// 1\\N <br /> McPhee Vallecito Lemon <br /> ® Avg. 1131 Contents ® M31/96 Canton. <br /> 9 <br />