#Snowpack news: Mid-May storm benefits South Platte Basin

Statewide snowpack Basin High/Low graph June 7, 2017 via the NRCS.

From The Grand Junction Daily Sentinel (Dennis Webb):

In water circles, May 2015 came to be known as Miracle May due to the huge boost in snowpack storms that month provided in Colorado. This May’s snow also left the state in decent condition as the snowpack season winds down…

A mid-May storm particularly benefited the South Platte basin, while delivering precipitation to much of the state, the NRCS says.

After what’s been an up-and-down year for snowfall accumulations in the state, the NRCS said that May precipitation “provided a boost to water supplies, reassuring water managers that this year’s snowpack could provide ample water supplies entering the summer months.”

Reservoir storage statewide was at 109 percent as of the start of June, the agency reports. That’s also where things stand for storage in the Colorado River basin, while storage in the Gunnison basin is at 103 percent.

From The Boulder Daily Camera (Charlie Brennan):

The South Platte River basin, which encompasses Boulder County, was the largest benefactor of a mid-May storm that dumped snow at most elevations, and provided a significant boost to water supplies, according to the June snowpack and reservoir storage report from the Natural Resources Conservation Service.

May totaled 135 percent of normal precipitation statewide, after a less productive March and April. May also brought more precipitation than May of last year, or May 2014. Some Snow Telemetry (SNOTEL) sites reported 200 percent or more of monthly precipitation, according to a news release.

The Boulder County area was pummeled on May 18 and 19 with as many as 42 inches of snow in some mountain locations near Allenspark and Ward.

With help from that storm, water year-to-date precipitation across Colorado trended upward from 108 percent of average last month to 111 percent of average this month. Those numbers provide reassurance to water managers that this year’s snowpack could provide ample water supplies entering the summer months.

South Platte River Basin High/Low graph June 7, 2017.

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