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<br />1n 9ao <br /> <br />YAMPA, WHITE, NORTH PLATIE AND LARAMIE RIVER BASINS <br />as of June 1, 2002 <br /> <br />Mountain Snowpack* (inches) <br /> <br />Precipitation* (% of average) <br /> <br />~Currenl ---.6-Average <br />__Maximum _____Minimum <br /> <br />I_Monthly IIIIYear-lo-date I <br /> <br />5 <br /> <br /> <br /> 80 <br /> 70 <br /> 60 <br />.. <br />Ol <br />l! 50 <br />.. <br />> <br />c( <br />- 40 <br />0 <br />.. <br />c <br />.. <br />l:! 30 <br />.. <br />a.. <br /> 20 <br /> 10 <br /> <br /> <br />Oct Nov Dec Jan Feb Mar Apr May <br /> <br />35 <br /> <br />30 <br /> <br />25 <br />.5 <br /> <br />.. <br />c <br />~ 20 <br />> <br />:; <br />c:r <br />w 15 <br />.. <br />.. <br />.. <br />~ <br />10 <br /> <br />o <br />Jan Feb Mar Apr May Jun <br /> <br />.Based on selected stations <br /> <br />Although only 2 out of 14 SNOTEL locations in these basins have snow remaining at them, they <br />do have the most measurable snow remaining in the state on June 1. The measurements in the <br />North Platte Basin are 15% of average, while in the Yampa and White basins combined are only <br />7% of average. What measurable snow remains will most likely disappear in the next week or so, <br />melting out a full month ahead of the average melt out date. Precipitation amounts in these basins <br />keep getting worse as the amount during May was only 33% of average, which was the lowest <br />monthly accumulation this water year. The water year total is now only 64% of average. The <br />combined storage in the two major reservoirs in these basins is at 93% of average volume for this <br />time of year, which is about 14% less storage volume that there was last year at this time. Due to <br />another exceptionally dry and warm month the streamflow forecasts in these basins have been <br />reduced significantly from last month. Forecasts range from only 14% of average on the Laramie <br />River near Woods, to 43% of average on the Yampa River at Steamboat Springs. <br />