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<br /> <br />SOUTH PLATTE RIVER BASIN <br />as of February 1, 2003 <br /> <br />Mountain Snowpack* (inches) <br /> <br />-*"""Current .-.-Average <br />__Maximum __Min'rInum <br /> <br />30 <br /> <br /> 25 <br />.5 ,.._"____U <br />20 <br />.: <br />c <br />.. <br />iii <br />> 15 <br />':; <br />o:r <br />w <br />.. <br />.. <br />- <br />'" 10 <br />;: <br /> 5 <br /> <br /> <br /> 120 <br />.. 100 <br />en <br />E <br />.. <br />~ 80 <br />... <br />0 <br />- <br />c 60 <br />.. <br />~ <br />.. <br />11. 40 <br /> <br />Precipitation* (% of average) <br /> <br />j_Monthly Il!lYear-to-date I <br /> <br />140 <br /> <br /> <br />.i <br /> <br /> <br />o <br />Jan Feb Mar Apr May Jun <br /> <br />'Based on selected stations <br /> <br />20 <br /> <br />o <br /> <br />Oct Nov Dec Jan Feb Mar Apr May <br /> <br />.i., <br />The February 1 snowpack measurements in the South Platte Basin are far under the levels that <br />will be required to relieve the drought conditions to any extent this season, Down from 73% of <br />average on January-I, to only 63% of average on February 1, the probability of an above average <br />snowpack by April 1, is quickly becoming unlikely, Measurements range from only 57% of <br />average in the Upper South Platte Watershed, to 77% of average in the Clear Creek Watershed, <br />Precipitation was only 56% of average for the month of January, and the water year total is only <br />79% of average, There has been 37% more precipitation this water year compared to this time last <br />water year, Reservoirs in the basin have only 51 % of their average storage for this time of year, <br />There is only 63% oflast year's storage amount The streamflow forecasts remain much below <br />average at this time and are slightly lower than last month's forecasts, Forecasts range from only <br />35% of average at the inflow to Antero Reservoir, to 70% of average on Boulder Creek near <br />GrodelL <br />