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November 2013
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Seattle’s Wettest Day of the Year

Posted: November 19th, 2013

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Today is the wettest day of the year in Seattle. Tomorrow, we begin our long descent towards dry season. Too bad we don’t dry out as quickly as we get wet.

Over the past 30 years—the period often used to define climate—November 19th has averaged 0.222 inches of precipitation. (Pictured above is the full 64-year Seatac record, curiously indicating both a slightly different date and amount.) But as Scott Sistek points out in his Weather Blog, today’s date is also notable in that it has featured rainfall 89 times in 120 years, 7 times more than the next most frequently wet days, November 15th and December 29th. It gets better.

For more information, please contact SPU’s Climate Change team.