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<br />SAN JUAN/DOLORES BASIN <br /> <br />Basinwide Conditions Assessment <br />The SWSI value of 0 7 indicates that for May the <br />basin waler supplies were above normal Flow at the gaging <br />station Animas River near Durango was 2,444 cfs, as <br />compared to the long-term average of 2,181 cfs. Storage in <br />McPhee, Vallecito. and Lemon reservOirs totaled 102% of <br />normal as of the end of May <br />May weather was reminiscent of recent spnngs. The <br />spring months are typically the lowest precipitallon months <br />of the year May 2004 showed no precipitation recorded in <br />Durango Small amounts were recorded in surrounding <br />areas Small amounts were recorded in surrounding areas <br />This is the lowest of record and equal to May of 2002 when <br />the month passed Without a measurable storm. The total for <br />the year in Durango remains above average with 15.12 <br />inches since October 1, 2003, This is 21 % above average <br />Snow pack content diminished greatly dU(lng the <br />month as (Ivers climbed to high levels again. The peak flows <br />did not reach the levels of last year but were sustained and <br /> <br />high levels were reached on three occasions dUring the <br />month. The Animas River had a high dally flow of 3540 cfs <br />on May 20 and the Dolores River reached 2430 cfs on May <br />10 which was the day most of the lower gaging stations <br />peaked The reason for the moderate flow was because of <br />the early run in April of low snow areas and the remaining <br />high levels which should be contributing to flows in June and <br />hopefully drain out slowly through the summer <br />Reservoir levels were doing well as the major <br />reservoirs obtained normal storage levels. It appears that <br />Lemon Reservoir will now fill along With ValteClto and <br />Jackson Gulch. McPhee contained 302,000 acre-feet, 95% <br />of normal. <br /> <br />Jun-04 <br /> <br />-~~ <br /> <br />,. <br /> <br /> <br />,. <br /> <br />_!lll_~___\III.....al_.-.aI-<ll_ <br /> <br />~- <br /> <br />~o.w;RM;R,*, o..wu:o Fl(:l,'vEfll......TUlYENl <br /> <br />~~ <br /> <br />..~ <br /> <br />1 OlXIWl , <br />]3OOWl_ <br />~JO:lWl' <br />g2<lll(O)! <br />~2W(O). <br />, <br />:>''(1(0)_ <br />. -, <br />G\(I)CIXIl .._ <br />,~ . <br />'(l(O)r- .;__...-"-.... <br />,~..-. <br />, - <br />'" <br /> <br />, <br /> <br />, <br /> <br />j <br />I , <br />c - ;';f'. <br />,~~ ~ /~. <br />--4" " <br />- .A <br />-/' ~. <br />? . <br />.- <br /> <br />,_. <br /> <br />~ <br />'- <br />"= <br /> <br />- <br /> <br />'" <br /> <br />,~ <br /> <br />- <br /> <br />- <br /> <br />.... <br /> <br />... <br /> <br /> <br />9 <br />