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<br />UPPER RIO GRANDE BASIN <br />as of June 1, 2004 <br /> <br />Mountain Snowpack* (Inches) <br /> <br />~Currenl -'-Average <br />___Maximum -+-Mlnlmum <br /> <br />25 <br /> <br /> <br /> 20 <br />c <br />J <br />c 15 <br />.!! <br />. <br />> <br />'5 <br />CT <br />w <br />, 10 <br />. <br />- <br />. <br />;: <br /> 5 <br /> <br />o <br />Jan <br /> <br />Fab <br /> <br />Mar <br /> <br />Ap, <br /> <br />May <br /> <br />*Oascd on selected stations <br /> <br /> 160 <br /> 160 <br /> 140- <br />. <br />'" 120- <br />. <br />, <br />. <br />> 100 <br />.. <br />- <br />0 <br />- 60 <br />c <br />. <br />u <br />, <br />. 60, <br />Q. <br /> 40 <br /> 20 <br /> <br /> <br />Precipitation. (% of average) <br /> <br />I_Monthly DYear-lo-date] <br /> <br /> <br /> <br />Oct Nov Dec Jan Fob Mar Apr May <br /> <br />Extremely rapid melting of the snowpaek during May has not len much measurable snow in the <br />Rio Grande Basin, Only the Wolf Creek Summit SNOTEL has measurable amounts left and that <br />one measurement makes the basin wide snowpack amount to be only 37% of average on June I, <br />which is a whopping 65% of average drop from last month, On the up side. there is 214% of the <br />amount thcre was last year at this time, May's precipitation was the lowest monthly accumulation <br />this water year, at only 19% of average, The water year totals arc 95% of average on June I, <br />Despite the abundant snow melt during May, the reservoirs in the basin have yet to benefit <br />significantly, and the storage levels remain very much below average at only 49%, Thcrc is 15% <br />morc storage than last year at this time, RunofT forecasts call for generally below average <br />volumes for this year. Although this basin is in the best shape of any across the state, forecasts <br />havc dropped to a gencral range of 85% to 95% of average at most locations, <br />