Laserfiche WebLink
f <br /> SAN JUAN/DOLORES BASIN <br /> Basinwide Conditions Assessment: <br /> The SWSI value of 1.8 indicates that for October the SAN JUAN/DOLORES RIVER BASINS <br /> asin water supplies were above normal. Flow at the gaging 5 >:�.was mot..ply 190.5 MI•ta Y <br /> station Animas River near Durango averaged 503 cfs as , <br /> compared to the long term average of 376 cfs. Storage in 17 } <br /> W 3_ O.McPhee, Vallecito, and Lemon reservoirs totaled 85% of . , . ;.. <br /> normal as of the end of October. - =. <br /> The dry weather cycle may have been broken by the 1 1 111114 <br /> rain storm which passed through the area the first week of 1 n R - f ? \;_ <br /> October. Influenced by hurricanes off both coasts, _,_ ��� v v <br /> precipitation fell which amounted to between two and three _ �' �1 ; = ;,\f <br /> inches in many places. Although this might normally have led o �� ` r <br /> to spot flooding,the dry conditions absorbed most of the rain. -3- _ <br /> The Animas River briefly rose from 200 cfs to 900 cfs, and the • <br /> JAN97 JANM JAH69 JAN90 JAN91 JA1192 JAN93 JAN94 JAMS JAMS <br /> Dolores River reached 536 cfs. Total precipitation in Durango IK711114/YEAR <br /> was 4.46 inches, which was over 200% of normal. This and <br /> later fronts which moved into the area left significant snow <br /> cover throughout the southern mountains. Snow <br /> courses were around 150%of normal at the end of the month. <br /> As a result of increased flows, many local reservoirs ANIMAS RIVER AT DURANGO <br /> FIR$T 10NTH OF TIE WATER YEAR <br /> were able to gain significantly on their storage for carry over 70 <br /> to next year. Lemon Reservoir increased storage to 8,300 •jJ` <br /> acre-feet, which is 41% of average. `° <br /> Temperatures were very cool. Durango's lows were 7° =a <br /> less than normal. A record low of 12°was set in Durango on i <br /> the 22nd. Y i 40 <br /> 'g 30 j <br /> Outlook � 20 � <br /> The outlook for a good snowpack was brightening <br /> with each storm which visited the area. <br /> 10 A4 w , <br /> Administrative/Management Concerns 9 /A A / z <br /> OCTO9ER 1996 OCT. AVG. ('61-'95) HIGH C1973) LOW(1979) <br /> The La Plata River Compact was being administered <br /> as of October 31,but most area rivers went off administration. <br /> Jackson Gulch Reservoir was unable to store more water due <br /> to problems with its inlet canal. Repairs are being <br /> contemplated. <br /> Representative Reservoirs <br /> Public Use Impacts 2.0 5.-- _An19••9.•1n <br /> Area ski resorts were opening at the beginning of 260 <br /> November, far earlier than usual. By the end of the month, <br /> 220 <br /> river flows had dropped off from the early October rain and a 2.0 /-\\ <br /> were being activly fished. tr, 199 <br /> 1• 160 <br /> S; 140 <br /> F 120 <br /> �g <br /> • 100 <br /> u <br /> Z. <br /> 3 90 . <br /> 60 <br /> 40 <br /> /////////,1�� \ r <br /> 20 / ///!\\\\. t///"\1-\, <br /> At Ph.. Y•1 I k 1t0 L•mon <br /> ® Avg. 10/31 cont... ® 10/31,96 Cont.M. <br /> 9 <br />