WASHINGTON (AP) — Bitter temperatures have broken a record at Dulles International Airport in the Washington, D.C. area.

Dan Hofmann, a meteorologist with The National Weather Service, says the temperature dipped down to 4 below zero at Dulles International Airport on Tuesday, shattering the previous record of 14 degrees, set in 1967.

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Hofmann says Baltimore’s airport came close to its record for Feb. 24. It dropped to 3 degrees at the airport Tuesday, just shy of the record low of 2 degrees, set in 1873.

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Hofmann says the cold is unusual, and that the region is running close to 10 degrees below normal for February. If the cold holds for a couple more days, Hoffman says this month could be among the top 10 coldest February’s in history at Dulles and Baltimore’s airport.

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