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From April to July?

Matt Ross @ 12:00 AM


The entire metro area is likely to near or exceed 90F today, except those folks near the Bay. It will be sunny, hot and humid. High temps will be around 90 degrees, with some locations hitting 92F or 93F. There will be a 1 in 4 chance of some isolated thunderstorms in the evening. Pretty remarkable change as we had lows in the 30s and 40s for 4 straight days just last week.

Temps will decrease as the week progresses, as rain chances increase each day. Once we get through Friday, we should see a period of very nice temps in the upper 70s for several days.

Easterly winds ushering in cool ocean air will keep much of New England in the 50s and 60s today as we are 25-30 degrees warmer, courtesy of Accuweather.


Dulles and BWI both surpassed 90 yesterday (91 and 92 respectively) for the 1st 90 of the season at those reporting stations. National Airport (88F) and Annapolis (84F) benefited from still chilly waters in the Potomac and the Chesapeake. Once we get into late June, the cool water becomes less of a factor, and National will usually match or exceed the high at Dulles, especially on westerly winds.

May Recap

The very warm end to the month has erased much of the negative departures that were built up over the last 15-20 days. May will finish below average, but by less than a degree, and very close to the value of May 2002 which followed a warm April as well. Additionally the 2.21" of rain that has fallen through yesterday is almost identical to the 2.17" that fell in May 2002. Of course the summer that followed in 2002 was one of our hottest on record. I, for one, am hoping history does not repeat itself in this case. Unfortunately, I believe the seasonably cool weather that will assert itself early next week will be shortlived. May also breaks the 4 month streak of above average temperatures. 15 out of the last 19 months have been above the 1971-2000 norms. The exceptions are March 2005, May 2005, December 2005, and now May 2006.

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