Records for Philadelphia Area, Pennsylvania (PHLthr) on 12-18
Record Highs
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1: 70°F (2006)
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2: 65°F (1990)
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3: 64°F (1937)
Record Lows
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1: 4°F (1919)
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2: 10°F (1960)
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3: 11°F (1945)
Lowest Highs
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1: 45°F (1929)
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2: 44°F (2006)
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3: 44°F (1996)
Highest Lows
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1: 13°F (1919)
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2: 20°F (1875)
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3: 23°F (1926)
Highest December temperature:
73°F on 12-04-1998.
Lowest December temperature:
-5°F on 12-30-1880.
Average temperature is 39.2°F
Average high is 45.8°F
Average low is 32.6°F
Temperature data from 1873 to 2022.
Record Precipitation
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1: 1.72" (1977)
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2: 1.37" (1929)
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3: 1.18" (1951)
Precipitation data from 1871 to 2022.