Find out how Philadelphia International Airport got snow on July 14 during heat wave

Amidst a July heat wave, Philadelphia welcomed some snow earlier this week.

At 2:02 a.m. on Monday, July 15, the National Weather Service reported a record daily maximum snowfall was set at Philadelphia International Airport on Sunday, July 14.

The trace amount of snowfall was due to hail – frozen precipitation – from thunderstorms moving over the area on Sunday afternoon, which the National Weather Service classifies as snow.

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Sunday’s surprise snowfall breaks the previous trace snowfall record of 0 inches set in 1870.

The National Weather Service shared more than a dozen other times a trace of snow has been recorded at Philadelphia International Airport in June, July or August:

• June 20, 1911

• July 24, 1913

• Aug. 3, 1914

• July 13, 1919

• Aug. 19, 1919

• Aug. 17, 1939

• June 27, 1951

• June 9, 1993

• June 26, 1998

• July 18, 2006

• July 23, 2008

• Aug. 1, 2011

• Aug. 18, 2011

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