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<br />SOUTH PLATIE RIVER BASIN <br />as of June 1,2001 <br /> <br />Mountain Snow pack' (inches) <br /> <br />Precipitation' (% of average) <br /> <br />"",",*-Current -..-Average <br />___Maximum -+--MinimumJ <br /> <br />~lhlY DYear-to-date I <br /> <br />25 <br /> <br /> <br /> 140 <br /> 120 - <br />., 100 <br />'" <br />I! i ~ <br />., I <br />> 80 <br />< <br />- I <br />0 <br />- <br />c 60- h <br />., d <br />U ~ <br />~ t , <br />., <br />Q. 40 <br /> 1: <br /> 20- , <br /> <br /> <br /> 20 <br />.5 <br />.. <br />c 15 <br />., <br />iO <br />> <br />oS <br />cr <br />w <br />~ 10 <br />., <br />- <br />co <br />;: <br /> 5 <br /> <br /> <br />o <br /> <br />o <br /> <br />Oct Nov Dee Jan Feb Mar Apr May <br /> <br />Jan Feb Mar Apr May Jun <br /> <br />*Based Oil selected stations <br /> <br />The snowpack in the South Platte Basin is rapidly disappearing, and what measurable snow <br />remains will most likely be gone in early June. Basinwide snow measurements are at only 22% of <br />average on June I, which is about 8% less snow than last year at this time. The highest <br />measurements are in the Clear Creek Watershed, where there is 43% of average snow <br />accumulation remaining. The St. Vrain and Big Thompson watersheds have no measurable snow <br />remaining. There was 103% of average precipitation during the month of May, and the water year <br />total is at only 89% of average. The combined reservoir storage for 32 major reservoirs in the <br />basin is at 96% of average on June I. There is 4% less storage than last year at this time. As a <br />result of the warm temperatures and rapid snowmelt, most of the streamflow forecasts have been <br />reduced from last month for the remaining runoff season. All of the forecasts remain below <br />average and range from 54% of average at the Intlow to Antero Reservoir, to 83% of average at <br />Boulder Creek near Orodel!. <br />