By Scott Dance, The Baltimore Sun
5:52 PM EST, December 11, 2012
It has been 280 days since it snowed in Maryland, which would nearly be a record but for a trace of sleet last month.
The streak has been running since March 6. The day before that, traces of snow and rain were recorded at BWI Marshall Airport.
National Weather Service officials said earlier Tuesday the streak meant Baltimore was a week away from setting a record for its longest stretch without snow. But that overlooked the mix of sleet and rain that fell Nov. 13, which cut the streak short at 252 days, for record-keeping purposes.
Snow and sleet are lumped into the same category in the weather service's official summaries.
The record, 287 days without any snow, was set starting March 7, 1948. That stretch will be matched if Baltimore remains snowless for another week, through Dec. 18.
Twice before, Baltimore has gone 280 days without snow, during periods starting Feb. 28, 2002 and March 16, 1999, according to the weather service's Kevin Witt.
Of course, the stretches are even longer when you are looking at days with more than a trace of snow. WBAL-TV meteorologist Tom Tasselmyer said via Twitter Dec. 7 it had been 300 days since measurable snow (more than a trace) had been recorded at BWI.
The normal span without measurable snow at BWI is about 280 days, with normal first snows of at least 0.1 inches Dec. 14 and last snows March 8, according to an online weather service database.
An earlier version of this post misstated the length of Baltimore's snow drought. The Sun regrets the error.
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