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SAN JUAN/DOLORES/ANIMAS BASIN <br /> • <br /> Basinwide Conditions Assessment: <br /> The SWSI value of -0.3 indicates that for October SAN JUAN/DOLORES/ANIMAS RIVER BASINS <br /> )asin water supplies were near normal. Storage in McPhee, S Surface Water S PIY '""°x"ICtAFy <br /> Vallecito, and Lemon reservoirs totaled 125% of normal on 4 <br /> October 31. Flow at the gaging station Animas River near " -‘ 7 <br /> 1.. <br /> W 3 <br /> Durango averaged 298 cfs as compared to the 1961-1991 ; .. . <br /> October average of 384 cfs. The National Weather Service 2 - <br /> reports October precipitation as 97%of normal. October was <br /> slightly cooler and drier than normal in the basin. Durango's ,��"�`;L <br /> first frost was on October 18 and the coldest days, of 14°, _ r <br /> were on the 30th and 31st. <br /> a -2- <br /> Administrative/Management Concerns 3- - 9 <br /> Soil moisture appears to be dropping. Basin wide, -4 <br /> JAN04 JAN85 JAN86 JAN87 JAN88 JAN89 JAN90 JAN91 JAN92 JAN93 <br /> river flows for the month were around 75% of normal. This MONTH/YEAR <br /> may be attributed to the lack of any heavy precipitation <br /> events. Above average reservoir storage continues in part due <br /> to the above normal snow pack of last winter and in part to <br /> heavy rains of late August. <br /> ANIMAS RIVER AT DURANGO <br /> FIRST MONTH OF THE WATER YEAR <br /> 24 <br /> 20 <br /> 1B r! <br /> i / <br /> 16 / <br /> i 11 <br /> :3" 12- <br /> 10 <br /> 8 <br /> 6 <br /> 4 <br /> 2 <br /> 1961-1992 OCTOBR AVERAGE OCTOBER 1993 <br /> Representative Reservoirs <br /> Dolores-Animas Basin <br /> 320 <br /> 300- <br /> 280- <br /> 260- <br /> 20 <br /> 220 <br /> 2O0 <br /> din <br /> 180 <br /> ; 160 y././.7\ <br /> sE 140 <br /> a 120 <br /> 4 100 <br /> 80 <br /> 60 <br /> 40 <br /> 20 /,, T /�N\\� <br /> WR11p Va l l k l to Damon <br /> ® AV.; 10/31 Content. ® 10/31/93 Content <br /> 9 <br />