Low Streamflows in Wyoming Continue Through June

Average streamflows for the month of June were well below average across most of Wyoming, according to the U.S. Geological Survey (USGS). Statewide, streamflows during June were 37 percent of the monthly average. The average is based on long-term USGS gaging stations with 30 or more years of streamflow data. The State is currently experiencing its fifth consecutive year of hydrologic drought.

As during May, average June streamflows were lowest in the northeast part of the State. At long-term USGS gaging stations in the Tongue, Powder, and Cheyenne River Basins, June streamflows were 15 percent of the monthly average. "The average June streamflows at all gages in northeastern Wyoming with 30 or more years of data were the fourth lowest or lower recorded," noted Kirk Miller, USGS hydrologist. "The average length of record for those gages is 51 years."

Elsewhere in the State, June streamflows averaged for long-term USGS gaging stations ranged from 32 percent of average in the North Platte River Basin to 60 percent of average in the Wind River Basin. June streamflows were 36 percent of average the Bighorn River Basin and 41 percent of average in the Green River Basin. Streamflows at some stations are influenced by upstream reservoirs or diversions.

Drought conditions and vital tools for drought managers in Wyoming are available at the click of a mouse. The USGS's Wyoming Drought Watch has been updated and features cumulative runoff graphs and other useful information for drought managers. Visit the site at: http://wy.water.usgs.gov/projects/drought/ .

The USGS serves the Nation by providing reliable scientific information to describe and understand the Earth; minimize loss of life and property from natural disasters; manage water, biological, energy, and mineral resources; and enhance and protect our quality of life.

The URL for this page is http://wy.water.usgs.gov/news/html/070604.htm

U.S. Department of the Interior, U.S. Geological Survey
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