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• <br /> SAN JUAN/DOLORES/ANIMAS BASIN <br /> Basinwide Conditions Assessment: <br /> The SWSI value of-1.9 indicates that for March the SAN JUAN/DOLORES/ANIMAS RIVER BASINS <br /> basin water supplies were below normal. The Natural Surface Meter SwPIY Index Watery <br /> Resources Conservation Service reports April 1 snowpack as 4_ <br /> 72%of normal. Flow at the gaging station Animas River near F. 3_ . <br /> Durango averaged 229 cfs as compared to the long term �:• L <br /> average of 292 cfs. Storage in McPhee,Vallecito, and Lemon 2- .. L. <br /> - <br /> reservoirs totaled 124% of normal as of the end of March. g 1 , - : : .r <br /> Snowpack was adequate in the higher and northern x D <br /> I _ I ■ I :I :_:,= iii1, ice": <br /> San Juans, but very poor in the middle and lower elevations - �I ;I /J �� <br /> as well as in the eastern San Juans near Wolf Creek Pass. The F. 1 <br /> La Plata snow courses showed about 13 inches of water 0 <br /> compared to a normal of 20 inches this time of year. '3 fi <br /> Local precipitation during March was only 66% of -4 I - . ---- <br /> JAN87 JAN88 JAN89 JAN90 JAI61 JAN92 JAN63 JAN94 JAN95 JAN96 <br /> normal with year to date totals at 50% of normal. .....AR <br /> Temperatures were higher than usual. Wind appeares to have <br /> had a very negative effect on southern slopes and exposed <br /> areas. Most streams were rising by the end of the month with <br /> flows averaging between 56% and 80% of normal. The <br /> Dolores River had some of the better flows. ANIMAS RIVER NR. DURANGO <br /> Reservoirs contained near or above average amounts. 240 FLOW BY WATER YEAR <br /> Red Mesa Ward Reservoir was able to store approximately na <br /> 210 <br /> 60% of its capacity prior to ditches calling for water. 200 <br /> 190 <br /> a 100 <br /> 1 170 <br /> Outlook . 130 <br /> n 150 <br /> The water conditions during March did not improve a 1 <br /> 40 <br /> the local outlook regarding runoff for this season. The year's LL g ;a <br /> -. loci <br /> snow conditions compare with previous dry years such as s ,o <br /> 1981 and 1988. 1 'o y 60 �- <br /> 40 _......... _,......----1. - <br /> 40 <br /> 30 <br /> 20 - , <br /> 10 <br /> Ott Nov D.0 Jan Feb .arch April <br /> WHIN <br /> O YET C1973) o DRY(1977) A AVG x 1996 <br /> REPRESENTATIVE RESERVOIRS <br /> OOLORES-ANI.NS RIVER BASINS <br /> 280- <br /> 260- / <br /> Y 220// <br /> . <br /> 1 <br /> to 20ci <br /> •1 180 <br /> II i 180 7\ <br /> WC, <br /> 140 <br /> Yl lJ <br /> . 120 <br /> g 1oD- <br /> 3 so t <br /> 60 <br /> /\\ *//y/N <br /> 40 V/.\\20 /� _ V //1\\\\ <br /> McPhee ValJ clto L..IDYt <br /> ® Avg 3/31 Content. ® 3/31/99 cont.nt. <br /> 9 <br />