Northwest lags behind rest of state in precipitation

Posted 2/14/23

The state’s snow/water equivalent average is 111% of median with a high of 146% — a dramatic improvement over one and year year-to-date readings, according to the Natural Resources …

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Northwest lags behind rest of state in precipitation

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The state’s snow/water equivalent average is 111% of median with a high of 146% — a dramatic improvement over one and year year-to-date readings, according to the Natural Resources Conservation Service’s survey. However, the northwest part of the state is lagging behind with current sub-100% of median readings.

“Last year the state was at 91%, and at 91% in 2021,” said Jeff Goats, of the U.S. Department of Agriculture.

The Yellowstone Basin is at 93%, which is up slightly from last year, but lower than most areas reporting in the state. The Shoshone Basin is currently at 91%. Again, the measurement is up from this time last year, but is currently the second lowest percentage in the state with the South Platte Basin being the only lower at 75%.

Even at 75%, the South Platte Basin’s percentage is currently significantly higher than this time last year.

The Big Horn Basin is below the current average, but at 103%. This time last year the basin was at 87%.

The weighted state average is figured using the area of basins in square miles. The reference period for computing medians is the 30-year period 1991 through 2020.

Snow is in the forecast today (Tuesday) but it appears to clear up for the rest of the week, according to the National Weather Service. March is traditionally one of the heaviest snowfall months in northwest Wyoming.

— Mark Davis

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