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<br />SOUTH PLATIE RIVER BASIN <br />as of May 1, 2004 <br /> <br />Mountain Snow pack' (Inches) <br /> <br />--W-Currenl ___Average <br />-__Maximum --+-Mlnlmum <br /> <br />30 <br /> <br /> <br /> 25 <br />.E 20 <br />oJ <br />c <br />.!! <br />. <br />,~ 15 <br />, <br />CT <br />UJ <br />" <br />. <br />- <br />. 10 <br />;: <br /> 5 <br /> <br />o <br />Jan Feb Mar Apr May Jun <br /> <br />*Oased on selected stalions <br /> <br /> 140. <br /> 120- <br />. 100. <br />'" <br />~ <br />. ,- <br />> 80 <br />.. <br />- <br />0 <br />- <br />c 60 <br />. <br />u <br />" <br />. <br />a. <br /> 40 <br /> 20 <br /> <br />o <br /> <br />Precipitation. (% of average) <br /> <br />I_Monthly DYear-lo-dale I <br /> <br /> <br /> <br /> <br />Oct Nov Dee Jan Feb Mar Apr May <br /> <br />After four consecutive dry months, above average moisture finally returned to the South Plattc <br />Basin in April. Snowpack, as a percent of average, increased from a dismal 51 % of average <br />mcasured on April I, to 65% of average on May 1. This year's snowpack remains well below that <br />oflust year and is only 60% of those readings. April's precipitation was un impressive 139% of <br />average and more than helped to restore the declines which were measured last month. The South <br />Platte Basin would still need about three months of similar April precipitation to approach an <br />average water year total. Reservoir storage in the 32 major reservoirs is now 81 % of average and <br />is 28% above last year's volumes on this date. The outlook for spring and summer water supplies <br />is poor throughout the South Platte Basin this year. The lowest runoff forecasts occur throughout <br />the upper South Platte Basin where volumes of well below 50% of average are expected. <br />Forecasts improve significantly along the Front Range from near Boulder Creek, north through <br />the Cache la POUdre. <br />