Records for Philadelphia Area, Pennsylvania (PHLthr) on 05-09
Record Highs
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1: 93°F (1936)
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2: 91°F (1963)
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3: 91°F (1896)
Record Lows
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1: 33°F (1947)
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2: 35°F (2020)
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3: 38°F (1966)
Lowest Highs
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1: 70°F (2000)
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2: 70°F (1930)
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3: 65°F (2009)
Highest Lows
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1: 49°F (2020)
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2: 49°F (1977)
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3: 51°F (1947)
Highest May temperature:
97°F on 05-30-1991.
Lowest May temperature:
28°F on 05-11-1966.
Average temperature is 64°F
Average high is 73.9°F
Average low is 54.2°F
Temperature data from 1873 to 2022.
Record Precipitation
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1: 1.57" (2008)
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2: 1.50" (1873)
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3: 1.45" (1876)
Precipitation data from 1871 to 2022.