Records for Philadelphia Area, Pennsylvania (PHLthr) on 12-31
Record Highs
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1: 66°F (1884)
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2: 63°F (1992)
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3: 62°F (1972)
Record Lows
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1: 0°F (1880)
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2: 1°F (1917)
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3: 3°F (1962)
Lowest Highs
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1: 48°F (2021)
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2: 48°F (1972)
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3: 47°F (1992)
Highest Lows
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1: 14°F (1917)
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2: 14°F (1880)
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3: 15°F (1962)
Highest December temperature:
73°F on 12-04-1998.
Lowest December temperature:
-5°F on 12-30-1880.
Average temperature is 36.3°F
Average high is 42.9°F
Average low is 29.7°F
Temperature data from 1873 to 2022.
Record Precipitation
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1: 1.09" (1911)
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2: 0.71" (1975)
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3: 0.67" (2018)
Precipitation data from 1871 to 2022.