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<br />ARKANSAS RIVER BASIN <br />as of June 1, 2001 <br /> <br />Mountain Snowpack* (inches) <br /> <br />__Current --'-Average <br />___Maximum -+--Minimum <br /> <br />18 <br /> <br /> <br />16 <br /> <br />14 <br /> <br />.5 12 <br />.; <br />l: <br />'" <br />'ii 10 <br />.2: <br />::J <br />Llr 8 <br />~ <br />'" <br />- <br />'" 6 <br />:!: <br /> <br />4 <br /> <br />2 <br /> <br />o <br /> <br />Jan <br /> <br />Apr <br /> <br />May <br /> <br />Feb <br /> <br />Mar <br /> <br />"'Based on selected stations <br /> <br />Precipitation* (% of average) <br /> <br />~nthly DYear-to-date I <br /> <br /> <br />160 <br /> <br />120 <br /> <br />'" <br />'" <br />l! 100 <br />'" <br />> <br /><I: <br />- <br />o <br />- <br />l: <br />Gl <br />l:! 60 <br />Gl <br />c.. <br /> <br />40 <br /> <br />o <br /> <br />Oct Nov Dee Jan Feb Mar Apr May <br /> <br />The snowpack measurements in the Arkansas Basin are at 54% of average on June I, which is the <br />second highest percent of average measurement in the state. Although waml temperatures have <br />melted the snowpack significantly during May, the remaining amount is 76% more than last year <br />at this time. Most of the snow in the basin is in the Cucharas and Huerfano watersheds, where <br />there is 85% of average snow accumulation remaining. The measurable snow in the Purgatoire <br />Watershed is completely melted. Precipitation in the high country was about average during May, <br />and the water year total is now 96% of average. The combined storage among 12 major reservoirs <br />is 165% of average for this time of year, but this is only 65% ofIast year's storage level. All of <br />the streamflow forecasts are below average on June 1. Some have gone down significantly from <br />last month, while others have remained nearly the same. They are highly variable depending on <br />location and snowpack conditions, ranging from only 67% of average on Chalk Creek near <br />Nathrop, to 83% of average on the Arkansas River at Salida. <br />