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<br />YAMPA, WHITE, NORTH PLATIE, AND LARAMIE RIVER BASINS <br />as of May 1, 2003 <br /> <br />Mountain Snowpack* (Inches) <br /> <br />Precipltation* (D/. of average) <br /> <br />~Currenl ---.....-Average <br />___Maximum -+-Mlnimum <br /> <br />I_Monthly DYear.lo-dale I <br /> <br />5 <br /> <br /> <br />140 <br /> <br /> <br />35 <br /> <br />30 <br /> <br />120- <br /> <br />2S <br />" <br /> <br />Q) 100 <br />'" <br />. <br />" <br />. <br />> 80. <br /><( <br /> <br />.; <br />c <br />~ 20 <br />-" <br />, <br />" <br />w 15 <br />" <br />. <br />- <br />. <br />;: 10 <br /> <br />- <br />o <br /> <br />- <br />c <br />. <br />~ <br />. <br />0. <br /> <br />60 <br /> <br />40 <br /> <br />20 <br /> <br />o <br /> <br /> <br />o <br />Jan Feb Mar Apr May Jun <br /> <br />Oct Nav Dee Jan Feb Mar Apr May <br /> <br />-Based on sdected stations <br /> <br />These basins have the fortunate distinction of being thc only locations where there is actually <br />more snow basin-wide on May 1 than there was on April I. Likewise, the snowpack percent of <br />average in most of these basins has gone up. The White River Basin remains at 85% of average, <br />which is the same as last month, while the North Platte has been boosted to 107% of average, <br />which is 7% higher than last month. Precipitation measurements during April were a whopping <br />134% of average, which is the highest monthly accumulation this water year. The water year total <br />is now 98% of average. There has been 145% of the precipitation there was last water year by this <br />time. Reservoirs in the basin have slightly higher storage amounts than last month, at 98% of <br />average for this time of year. There is 100% of last year's storage amount. Streamflow forecasts <br />remain nearly the same as last month at below to well below average for most of the sites. They <br />range from 60% of average on the White River near Meeker, to 91 % of average on the Yampa <br />River at Steamboat Springs. <br />