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December 14, 2009

A (mostly) sunny week will get colder

Looks like we will have a very pleasant and unseasonably mild start to this week, with a high near 50 degrees today and in the mid-50s on Tuesday. But a cold front is due to pass by late on Tuesday, dropping daytime temperatures into the low 40s by Wednesday - about 5 degrees below normal for BWI at this time of year. The lows will sink into the near-normal mid-20s.

The good news is that skies will remain sunny for pretty nearly the entire week, if the forecast holds up. The only smudge on the forecast is the "mostly cloudy" forecast for Tuesday as the front passes. But there is no rain at all expected from the frontal passage, or right through the weekend.

And that will be a nice break, indeed. Baltimore-Washington International Thurgood Marshall Airport has recorded 51.86 inches of precipitation so far this year. That is nearly 10 inches of surplus beyond the 41.94-inch average for an entire year. (The surplus is the dark green area in the chart). It is very close to becoming the fourth-wettest year in the past 30 years at BWI.NOAA/NWS

2003:  62.66 inches

1979:  58.98 inches

1996:  58.31 inches

1989:  51.88 inches

2009 (to date):  51.86 inches

Average (full year): 41.94 inches

Average (to Dec. 14): 39.96 inches

Posted by Frank Roylance at 10:47 AM | | Comments (1)
Categories: Forecasts
        

Comments

Great report as always!

http://www.weather-channel.org

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About Frank Roylance
This site is the Maryland Weather archive. The current Maryland Weather blog can be found here.
Frank Roylance is a reporter for The Baltimore Sun. He came to Baltimore from New Bedford, Mass. in 1980 to join the old Evening Sun. He moved to the morning Sun when the papers merged in 1992, and has spent most of his time since covering science, including astronomy and the weather. One of The Baltimore Sun's first online Web logs, the Weather Blog debuted in October 2004. In June 2006 Frank also began writing comments on local weather and stargazing for The Baltimore Sun's print Weather Page. Frank also answers readers’ weather queries for the newspaper and the blog. Frank Roylance retired in October 2011. Maryland Weather is now being updated by members of The Baltimore Sun staff
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