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<br />UPPER COLORADO RIVER BASIN <br />as of February 1, 2000 <br /> <br />Mountain Snow pack' (inches) <br /> <br />[=*-Current --.- Average <br />~MaXimum _.._Minimum <br /> <br />25 <br /> <br /> <br /> 20 <br />.5 <br />.- <br />'" 15 <br />Gl <br />'ii <br />,~ <br />:I <br />IT <br />W <br />~ 10 <br />! <br />1lI <br />== <br /> 5 <br /> <br />o <br />Jan Feb Mar Apr May Jun <br /> <br />*Based on selected stations <br /> <br />Precipitation' (% of average) <br /> <br />I_Monlhly DYear-Io-dale I <br /> <br />160- <br /> <br /> <br />140 <br /> <br /> 120 <br />Gl <br />'" <br />1lI 100 <br />~ <br />Gl <br />> <br />Cl: <br />- 80 <br />0 <br />- <br />'" <br />Gl <br />~ 60 <br />Gl <br />lL <br /> 40 <br /> 20 <br /> <br />o <br /> <br />Oet Nov Dee Jan Feb Mar Apr May <br /> <br />The Colorado Basin received some much needed additional snowfall during January, boosting the <br />accumulation amounts to over twice the amount there was last month, The snowpack is now at <br />79% of average on February 1, which is 28% of average higher than on January 1. Snowpack is <br />highly variable throughout the basin with percentages ranging from only 53% of average in the <br />Plateau Creek Watershed, to 103% of average in the Muddy Creek Watershed. Precipitation in <br />the basin was 159% of average during January, and the total precipitation for the water year is <br />now at 74% of average. The combined reservoir storage volume in the basin is 28% above <br />average for this time, which is about the same as last year's February 1 storage, All of the <br />streamflow forecasts for the upcoming runoff season have increased from last month, Forecasts <br />range from 75% of average on the Roaring Fork at Glenwood Springs, to 94% of average at the <br />inflow to Lake Granby. <br /> <br />I <br />I <br />