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October 27, 2010

2010 weather records update

The Baltimore weather records just keep falling this year. Here's an updated and re-organized version of the tally we ran last month:

1. Most snow: The official total (for the season, which includes December 2009) was 77 inches.February blizzard Baltimore That broke the previous record of 62.5 inches at BWI, set in the winter of 1995-96.

2. Snowiest month/snowiest February: The total was 50 inches, beating the previous record of 40.5 inches, set in February 2003.

3. Most rain: The 6.02-inch deluge on Sept. 30 swamped the 1.6-inch record for Sept. 30, set in 1920. It also beat the 5.97-inch record rain total for any day in September, set on Sept. 24, 1912. The total is now the second-largest rainfall for any calendar date since record-keeping began for Baltimore in 1871, after the 7.62 inches that fell Aug. 23, 1933.

4. Most 90-degree days: The total stands at 59 days, and seems unlikely to change. That broke the previous record of 54 days, set in 1988.

5. Most 100-degree days: Seven days, actually a tie, matching the record total set in 1988.

6. Hottest summer: The average temperature at BWI-Marshall from June through August (the meteorological summer) was 79.3 degrees. That broke the previous record of 79.1 degrees, set in 1943.

7. Record-high daily temperatures were set or tied on 11 dates: April 5, (84 degrees); April 5, (90 degrees); June 23, (97 degrees); June 24, (100 degrees); June 27, (100 degrees); June 28, (99 degrees); July 6, (105 degrees); July 7, (101 degrees); July 24, (101 degrees); July 25, (100 degrees); Sept. 24, (95 degrees).

Cooling off Baltimore8. Record-high minimum daily temperatures: set May 3, (69 degrees); July 24, (82 degrees); tied Oct. 26, (62 degrees); Oct. 27, (67 degrees).

9. Record-low maximum daily temperature: Oct. 4, (54 degrees).

10. Warmest month/warmest July: Temperatures in July averaged 81.5 degrees. This matched the record for the warmest month and the warmest July, first set in 1949 and matched in 1995.

11. Hottest average daily high temperature: July's daily highs averaged 92.5 degrees. That beat the previous record of 91.9 degrees, set in 1988.

(SUN PHOTOS: Top, Amy Davis, February 2010; Bottom, Karl Merton Ferron, July 2010)

Posted by Frank Roylance at 5:35 PM | | Comments (1)
Categories: By the numbers
        

Comments

It feels like a terrible year. I will be happy to greet 2011!

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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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