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<br />UPPER COLORADO RIVER BASIN <br />as of February 1, 2004 <br /> <br /> 20 <br />C <br />...r <br />c 15 <br />CI) <br />~ <br />'S <br />C" <br />LU <br />... 10 <br />CI) <br />.... <br />;: <br /> 5 <br /> <br />Mountain Snowpack* (inches) <br /> <br />-*-Current --"-Average <br />_Maximum -+-Minimum <br /> <br />25 <br /> <br /> <br />o <br />Jan Feb Mar Apr May Jun <br /> <br />*Based on selected stations <br /> <br /> 140 <br /> 120 <br />CI) 100 <br />C) <br />CIS <br />... <br />CI) <br />~ 80 <br />- <br />0 <br />.... <br />c 60 <br />CI) <br />~ <br />CI) <br />Do 40 <br /> 20 <br /> <br />Precipitation* (% of average) <br /> <br />I_ Monthly IiIYear-to-date I <br /> <br />o <br /> <br /> <br />Oct Nov Dec Jan Feb Mar Apr May <br /> <br />The February 1 snowpack measurements are only 85% of average in the Upper Colorado Basin, <br />which is 6% below the percent of average last month. Most of January's accumulation fell during <br />the very early part of the month, after which snowfall diminished to nearly zero. There is only 3% <br />more snow accumulation this year than last year at this time. Measurements range from only 75% <br />of average in the Blue River Watershed, to 106% of average in the Plateau Creek Watershed. The <br />precipitation during January was the lowest monthly accumulation since October, at only 71 % of <br />average, and the water year total is now only 84% of average. The combined reservoir storage is <br />about 86% of average on February 1. There is 238% of the storage there was last year at this time. <br />Streamflow forecasts for the upcoming runoff season are all below average at this time. Forecasts <br />range from only 73% of average at the Inflow to Willow Creek Reservoir, to 92% of average on <br />the Roaring Fork at Glenwood Springs. <br />