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August 9, 2007

Storm cools the air, wets the dust

Temperatures have dropped 29 degrees from where they stood yesterday at Baltimore-Washington International Airport. It was a record-setting 102 degrees at BWI yesterday afternoon. After today's thunderstorm passed by, the thermometer dropped from a high of 93 degrees to 73 between 1 and 2 p.m. Just before 4 p.m., with the sun back out, it has crept back up to 81.

Some locations saw more than an inch of rain, but most had less. Here's a sampling. And here's the cumulative rainfall map for the storm. It was the most rain BWI has seen in one day since July 10.

The rain hasn't ended the drought, but it has helped a bit. Here are some rainfall numbers, and temperature-drop readings for today from around the area:

BWI:  0.43 inch   93 to 73 degrees.

Dulles:  0 rain  96 to 81 degrees.

Reagan National:  0.02 inch  94 to 79 degrees.

Maryland Science Center:  0.31 inch   96 to 77 degrees.

Frederick:  1.17 inches  90 to 70 degrees.

The Sun:  0.21 inch   91 to 77 degrees. 

Posted by Frank Roylance at 3:49 PM | | Comments (0)
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About Frank Roylance
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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