Records for Philadelphia Area, Pennsylvania (PHLthr) on 05-21
Record Highs
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1: 95°F (2022)
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2: 95°F (1934)
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3: 91°F (1996)
Record Lows
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1: 41°F (2002)
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2: 44°F (1994)
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3: 44°F (1895)
Lowest Highs
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1: 70°F (1903)
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2: 69°F (1934)
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3: 68°F (1996)
Highest Lows
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1: 50°F (1895)
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2: 53°F (1924)
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3: 54°F (1990)
Highest May temperature:
97°F on 05-30-1991.
Lowest May temperature:
28°F on 05-11-1966.
Average temperature is 67.4°F
Average high is 77°F
Average low is 57.8°F
Temperature data from 1873 to 2022.
Record Precipitation
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1: 2.94" (1894)
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2: 1.96" (2016)
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3: 1.68" (1983)
Precipitation data from 1871 to 2022.