Records for Philadelphia Area, Pennsylvania (PHLthr) on 05-12
Record Highs
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1: 91°F (1881)
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2: 90°F (1991)
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3: 90°F (1959)
Record Lows
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1: 37°F (1962)
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2: 38°F (1907)
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3: 41°F (1990)
Lowest Highs
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1: 72°F (1881)
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2: 70°F (1896)
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3: 69°F (1911)
Highest Lows
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1: 48°F (1882)
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2: 51°F (2008)
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3: 54°F (2019)
Highest May temperature:
97°F on 05-30-1991.
Lowest May temperature:
28°F on 05-11-1966.
Average temperature is 64.9°F
Average high is 74.6°F
Average low is 55.1°F
Temperature data from 1873 to 2022.
Record Precipitation
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1: 1.58" (1943)
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2: 1.49" (2018)
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3: 1.31" (1946)
Precipitation data from 1871 to 2022.