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<br />UPPER COLORADO RIVER BASIN <br />as of June I, 2004 <br /> <br />Mountain Snowpack* (Inches) <br /> <br />~Currenl -.-Average <br />___Maximum -+-Minimum <br /> <br />25 <br /> <br /> 20 <br />.~ <br />- <br />c 15 <br />.! <br />. <br />" <br />, <br />" <br />w <br />- 10 <br />. <br />- <br />. <br />;: <br /> 5 <br /> <br /> <br />o <br />Jan Fob Mar Apr May Jun <br /> <br />-Bascd Oil selected stations <br /> <br /> 140 <br /> 120 <br />. 100 <br />0> <br />e <br />. <br />> 80 <br />'" <br />- <br />0 <br />- <br />c 60 <br />. <br />~ <br />. <br />a. <br /> 40 <br /> 20 <br /> 0 <br /> Ocl No... Dee Jan Fob Mar Ap, May <br /> <br />Precipitation- (% of average) <br /> <br />I_Monthly DYear.to-dale I <br /> <br /> <br /> <br /> <br />Thc snowpack measurcmcnls in the Colorado Basin indicalc that most ofthc mcasurablc snow <br />has mcltcd, Thcrc is only 23% ofthc average amount of snow at thc 26 automatcd SNOTEL <br />locations throughout thc basin, 111crc is only 48% of thc amount thcrc was last ycar at this timc, <br />Measuremcnts rangc from no mcasurablc snow in thc Muddy Crcck and Willow Crcck <br />watcrshcds, 1043% of avcragc amounts in thc Platcau Crcck Watcrshcd, Prccipitalion during <br />May was only 42% of avcragc, which lowcrcd thc water ycar lotals to only 77% of avcragc, <br />Dcspilc thc rapid snowmclt during May, rescrvoirs havc not bccn ablc improvc thcir storagc <br />volumes significantly, Currently thc combincd storagc for thc cight major rcscrvoirs is only 86% <br />of avcragc, which is 3% of avcragc Icss than last month, Thcrc is 39% morc storagc than last ycar <br />at this timc of ycar. Strcamllow forccasts continue to dctcrioratc cach month, Strcam llows in the <br />basin arc cxpcclcd to rangc from 50% to 60% of avcragc, with Icss than 50% of averagc forccast <br />in a numbcr of thc headwatcr tributarics, <br />