#SanJuanRiver headwaters #snowpack (March 6, 2021) = 92% of median #runoff #ColoradoRiver #COriver #aridification

From The Pagosa Springs Sun (Clayton Chaney):

According to the U.S. Department of Agriculture National Water and Climate Center’s snowpack report, the Wolf Creek summit, at 11,000 feet of elevation, had 25.5 inches of snow water equivalent as of 2 p.m. on March 3.

That amount is 101 percent of the March 3 median for this site.

The average snow water equivalent for this date at the Wolf Creek summit is 25.8 inches.

The San Miguel, Dolores, Animas and San Juan River Basins were at 79 percent of the March 3 median in terms of snowpack. This is a 6 percent decrease in snowpack for the region compared to last week’s report.

River Report

According to the U.S. Geological Survey (USGS), the San Juan River was flowing at a rate of 59.2 cfs in Pagosa Springs as of 2 p.m. on Wednesday, March 3.

Based on 85 years of water re- cords at this site, the average flow rate for this date is 87 cfs.

The highest recorded rate for this date was in 1986 at 359 cfs. The lowest recored rate was 29.3 cfs, recorded in 2002.

An instantaneous reading was unavailable for the USGS station for the Piedra River near Arboles.

It is noted on the USGS website for this station that the reading of the river flow rate is affected by ice at the station.

Based on 58 years of water records at this site, the average flow rate for March 3 is 152 cfs.
The highest recorded rate was 573 cfs in 1995. The lowest recorded rate was 26.5 cfs in 2003.

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