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Tue, May 21

August rainfall plentiful, but dry times are ahead

A late-month downpour pushed August's rainfall slightly past the 112-year average for Prescott.

The Aug. 27-28 rain brought 2.08 inches to the official Sundog measuring site on the northeast side of the city.

August's total rainfall was 3.34 inches in Prescott, or 104 percent of the average of 3.22 inches.

August typically brings the most precipitation of any month. This year January outdid August with 5.60 inches, while August came in second so far.

The National Weather Service says the monsoon officially lasts through Sept. 30, although its wind patterns can end sooner.

The Weather Service doesn't forecast an active monsoon pattern for the Labor Day Weekend in Prescott. The region should be sunny all weekend, and that trend is likely to continue all the way through Friday.

The forecast clearly shows summer temperatures are not over.

Western Arizona and Phoenix are facing excessive heat warnings today.

The forecast high for Prescott today is 90 degrees, and then the high temperatures should drop to 85 Sunday and 83 on Labor Day.

While the El Niño weather phenomenon brought lots of snow to Prescott last winter, now La Niña is now strengthening in the Pacific.

La Niña often means drier falls and winters for the Southwest, and the forecast is calling for such a trend in the coming months.

The Southwest U.S. has above-average chances for below-average precipitation and above-average temperatures in September through November, according to the National Weather Service's Climate Prediction Center.

The Climate Prediction Center says nearly all computer models predict La Niña will continue through early 2011, and it is likely to be a moderate to strong episode.


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