Records for Philadelphia Area, Pennsylvania (PHLthr) on 12-20
Record Highs
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1: 64°F (1957)
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2: 64°F (1895)
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3: 63°F (1877)
Record Lows
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1: 1°F (1942)
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2: 1°F (1884)
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3: 4°F (1875)
Lowest Highs
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1: 55°F (1957)
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2: 47°F (1895)
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3: 43°F (1998)
Highest Lows
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1: 10°F (1884)
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2: 13°F (1942)
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3: 20°F (2004)
Highest December temperature:
73°F on 12-04-1998.
Lowest December temperature:
-5°F on 12-30-1880.
Average temperature is 38.7°F
Average high is 45.3°F
Average low is 32.1°F
Temperature data from 1873 to 2022.
Record Precipitation
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1: 1.32" (1951)
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2: 1.18" (1903)
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3: 1.01" (1933)
Precipitation data from 1871 to 2022.