With a spectacular finish, March 2013 represents a huge change from some of the cool early springs of the past few years. Let's compare at Seattle-Tacoma Airport!
March 2012 was dismal. As shown in this plot of temperature (the average highs and lows are shown by the red and blue lines), no day got above 60F and only five days got to or above the normal high in 2012. Many days cooled to below the normal low.
In contrast, March 2013 had several days above 60F and 19 days got to or above the normal high (note scale on left is different).
Precipitation? March 2012 had nearly 7 inches of rain, roughly 3 inches above normal
March 2013? Drier than normal (by about an inch) and nearly no rain during the last third of of the month.
The National Weather Service Climate Prediction Center is going for much warmer than normal for the next 6-10 days (see below) and the latest model runs suggest dry conditions for the next four days. The reason: major ridging over the western U.S.
Enjoy.
Today (Sunday) should get near 70F over the western lowlands, with clear skies over the entire region (except for some low clouds offshore). Eastern Washington--mid 70s.
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