BWI Marshall Airport topped out at 54 degrees on Monday, the first time Baltimore failed to surpass that temperature on Oct. 8 in 127 years.
The mark tied a record for lowest daily maximum temperature dating back to 1885. (Of course, comparisons going that far back are difficult. From 1893 to 1950, records were kept at the U.S. Customs House in Baltimore, while before that, locations varied.)
Closer to the Chesapeake Bay, high temperatures were slightly warmer. The Inner Harbor reached 58 degrees, the U.S. Naval Academy in Annapolis reached 57, and Martin State Airport reached 55. Frederick was cooler, at 52, while further out in Cumberland, temperatures didn't break 50 degrees, with a high of 46.
More records are unlikely in the next few days, at least. Record low maximum temperatures are mostly in the 40s, and record lows are in the high 20s and lower 30s.
Sunday's high of 53 degrees at BWI was the coldest since April 20.