Snowpack: All downhill from here
EAGLE COUNTY ” Successive days of 65 degree temperatures have caused streamflows to jump, signaling the beginning of spring runoff.
That’s when the load of snow in the High Country melts and tumbles into streams. This year the runoff has been delayed by successive cool and wet days.
The Eagle River at Avon Saturday jumped from a flow of 410 cubic feet per-second to 562 Sunday, a 37 percent increase. Continued warm weather should cause the river’s flow to jump some more.
The mean flow for the river on this date is 976 cubic feet per-second. That flow is better than 7,500 gallons per-second. The maximum fow recorded was 1,630 cubic feet per-second and the lowest, 554.
Snowpack in Eagle County’s High Country is approximately 90 percent of average this year ” a double digit improvement over previous dry years. The snowpack was deepened by late season storms.
All three reservoirs supplying water to the upper valley and elsewhere are expected to fill this year.
Staff Writer Cliff Thompson can be reached at 949-0555, ext. 450, or firstname.lastname@example.org.
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