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Warm fall ahead, weather service predicts

September 3, 2012
By JIM ANDERSON - News Editor , The Daily News

IRON MOUNTAIN - A long-range forecast from the National Weather Service calls for above-normal temperatures through the end of 2012.

The Climate Prediction Center is forecasting a greater than climatological chance of above-normal temperatures in the Upper Peninsula from September through December, said Kevin Crupi, weather service meteorologist in Marquette.

Normal precipitation trends are predicted.

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Statistics released by the weather service show that October 2011 through July 2012 was the warmest October through July on record at all reporting sites in Upper Michigan. At Iron Mountain-Kingsford, the average temperature during that period was 43.5 degrees, which was 5.2 degrees above normal and 1.4 degrees above the previous mark set in 1997-98.

July marked the 10th straight month that mean monthly temperatures across Upper Michigan averaged above normal, Crupi said.

At Iron Mountain-Kingsford, the average temperature in July was 73 degrees, which was five degrees above normal. It was the fourth-warmest July on record, falling three degrees shy of the record of 76 degrees set in 1921.

The highest temperature last month was 95 degrees on both July 5 (tying the record for that date) and July 16. The lowest temperature was 50 degrees on July 28. A record high was also reached on July 3 at 94 degrees.

Rainfall in July at Iron Mountain-Kingsford totaled 3.69 inches, which was 0.24 inches above normal. Water-equivalent precipitation from October 2011 through July 2012 totaled 17.92 inches, which was 4.92 inches below normal and the 10th-driest October through July on record, Crupi said.

The U.S. Drought Monitor lists conditions as abnormally dry in both Dickinson and Iron counties.

Statistics for the Iron Mountain-Kingsford Wastewater Treatment Plant cooperative observer site are based on records that began in March 1931. (For years before 1931, any data listed is from nearby sites.) Normals used are for the period 1981 through 2010.

Jim Anderson's email address is



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