Jan 27, 2015

Snowpack declines over most of Wyoming

Although one local site was up a notch, snowpack continues to decline over much of Wyoming.

“We fell 4 percent from 101 to 97 percent of (state) median this past week and it looks like we will fall again this week,” said Lee Hackleman, water supply specialist for the Natural Resources Conservation Service (NRCS) office in Casper. “The northern half of the state is still looking OK, but the southern half not so much.”

For example, in northern Wyoming the Tongue Basin was 102 percent snow water equivalent (SWE) Jan. 26; 5 percent higher than last week. In southeastern Wyoming the South Platte basin was 79 percent SWE; dropping 9 percent from one week ago.

Those figures are according to a 30-year average from 1981 to 2010 calculated by the NRCS.

Closer to home, Big Horn Basin was 105 percent SWE on Jan. 26 compared to 104 percent a week ago. The Shoshone basin was 115 percent SWE, compared to 120 percent one week ago.

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