Laserfiche WebLink
t <br /> SAN JUAN/DOLORES BASIN 1/1997 <br /> Basinwide Conditions Assessment: <br /> The SWSI value of 2.3 indicates that for December the SAN JUAN/DOLORES RIVER BASINS <br /> basin water supplies were above normal. The Natural 5 Surface Water Supply Index H1Ctory <br /> Resources Conservation Service reports January 1 snowpack ,_ <br /> as 156% of normal. Flow at the gaging station Animas River - • , , <br /> near Durango averaged 313 cfs as compared to the long term i r f' 'average of 227 cfs. Storage in McPhee,Vallecito, and Lemon 2- <br /> reservoirs totaled 91% of normal as of the end of December. I 1- , : r <br /> Continued snowfall increased the snowpack in i o - <br /> southwest Colorado. The snowtel sites with the highest w <br /> r <br /> percent of average are Lizard Head Pass and Vallecito. 2 , • 4,A/ <br /> ex -Temperatures during December averaged near normal. Soil = V <br /> moisture is good due to warm temperatures causing some -3- <br /> snowmelt. -;.,. ............. <br /> JAN88 JAN09 JAN90 JAN91 JAN92 JAN03 JAN94 JAN95 JAN96 JAN97 <br /> Reservoir storage increased significantly as many MCNTN/YEAR <br /> companies made extra efforts to maximize the storage gain. <br /> Vallecito and McPhee Reservoirs reached normal storage, and <br /> Lemon Reservoir was at 50% of normal. Red Mesa Ward <br /> Reservoir actually was able to fill about 50%from the La Plata <br /> River because of rain and lower elevation snow melt. Jackson ANIMAS RIVER NR. DURANGO <br /> Gulch again began storing water after repairs on the inlet 19O FLOW BY WATER YEAR <br /> canal were made. 170 <br /> 160 <br /> 150 <br /> z...........,.....................„..........:.:,.............................................. __._______. <br /> Public Use Impacts 1 140 <br /> Ski areas went to full operation and prospects were : ;o <br /> bright for at least some recovery from last season's drought. 0 i <br /> 2e 100 <br /> W Ff 90 <br /> 1.,-, SD <br /> 70 <br /> 60 <br /> 50 <br /> 40 <br /> 30 f <br /> 20 ,a.! <br /> 10 <br /> Oct Nov Dec Jan Feb March <br /> W3NTH <br /> CI WET C1973) d DRY C1977) C AVG x 1997 <br /> REPRESENTATIVE RESERVOIRS <br /> DOLORES-ANIMAS BASINS <br /> 260260 f <br /> -2xa <br /> 0 <br /> 220 <br /> I 1 s o//-\\ <br /> bin <br /> e.I 160 <br /> !'j' 140 <br /> ti g 120 <br /> a 100 y//,/"\\ <br /> 80/\ <br /> 40 MM <br /> i <br /> 0 <br /> McPhee Va l l ec l to Lemon <br /> ® Avg- 12131 Content. ® 12/31/96 CortIonta <br /> 9 . <br />