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<br />UPPER RIO GRANDE RIVER BASIN <br />as of February 1, 2000 <br /> <br />Mountain snowpack' (inches) <br /> <br />~, <br />t <br />II <br />i <br /> .5 <br /> .- <br /> c <br /> .. <br /> OJ <br /> > <br /> 'S <br /> CT <br /> W <br /> .. <br /> .. <br /> ~ <br /> CD <br /> == <br /> <br />i=*-current -'-Average <br />l=-Maximum __Minimum <br /> <br />25 <br /> <br /> <br />20 <br /> <br />15 <br /> <br />10 <br /> <br />5 <br /> <br />o <br />Jan <br /> <br />Feb <br /> <br />Mar <br /> <br />Apr <br /> <br />May <br /> <br />"'Based on selected stations <br /> <br />Precipitation' (% of average) <br /> <br />I_Monthly DYear-lo-dale I <br /> <br /> 80 <br /> 70 <br /> 60 <br />.. <br />Dl <br />l!! 50 <br />.. <br />> <br />< <br />- 40- - <br />0 <br />... <br />c <br />.. <br />u 30- <br />~ <br />.. <br />0.. <br /> <br /> <br />20- <br /> <br />10 <br /> <br />o <br /> <br />Oct Nov Dee Jan Feb Mar Apr May <br /> <br />Even though the Rio Grande Basin managed to receive slightly above average snowfall in the <br />higher elevations during January, its snowpack conditions remain extremely low so far this <br />season. On February 1 the basin has the lowest measured snowpack percent of average in the <br />state at only 29% of average. On average, January is a time when the Rio Grande Basin receives <br />very little snow while February and March are some of the biggest snowfall months, which leaves <br />some hope that the future may provide the much needed snow accumulation. Precipitation in the <br />basin was only 76% of average for January and the water year total is only 29% of average. <br />Fortunately, the combined reservoir storage in the basin is 60% above average, which is 16% <br />more than last year at this time. Most of the streamflow forecasts have gone down from last <br />month. Most are much below average and many are below 50% of average. Forecasts range from <br />only 19% of average flow on the San Antonio River at Ortiz, to 77% of average at the Trinchera <br />Water Supply. <br />