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<br />YAMPA, WHITE, NORTH PLATTE AND LARAMIE RIVER BASINS <br />as of April 1, 2000 <br /> <br />Mountain snowpack' (inches) <br /> <br />I <br />I <br />11 <br /> <br />~Currerit -'-Averagel <br />___Maximum -+-Minimu.,J <br /> <br />35 <br /> <br /> <br />'I <br /> <br />30 <br /> <br />25 <br />.5 <br /> <br />.- <br />c <br />~ 20 <br />.~ <br />::I <br />CT <br />W 15 <br />.. <br />.. <br />- <br />CD <br />== 10 <br /> <br />5 <br /> <br />o <br />Jan Feb Mar Apr May Jun <br /> <br />*Based on selected stations <br /> <br />160 <br /> <br /> 140 <br /> 120 <br />.. <br />Dl <br />l!! 100 <br />~ <br />< <br />- 80 <br />0 <br />- <br />c <br />.. <br />u 60- <br />.. <br />.. <br />a.. <br /> 40 <br /> 20 <br /> <br />Precipitation' (% of average) <br /> <br />~nlhly DYear-to-dale j <br /> <br /> <br />o <br /> <br />Oct Nov Dee Jan Feb Mar Apr May <br /> <br />Although these basins received the smallest amount of additional snow in the state during March, <br />they did manage to receive about average amounts of snow, and maintained the highest snowpack <br />percentage in the state. The total accumulation in these basins is 101 % of average on April 1 , <br />which is nearly the same as last month. There is about 22% more snow in these basins than last <br />year at the same time. Snowpack percentage ranges from only 88% of average in the Laramie <br />" River Basin, to 107% of average in the North Platte River Basin. Precipitation in these basins <br />during March was 106% of average. The water year total is 92% of average. The combined <br />reservoir storage in these basins is at 91 % of average, which is only 80% of the storage last year <br />at this time. Most of the streamflow forecasts for the upcoming runoff season are below average <br />and are very similar to last month's forecasts. The forecasts are variable depending on location <br />and range from only 77% of average on the Laramie River near Woods, to 110% of average on <br />the Yampa River at Steamboat Springs. <br />