Records for Philadelphia Area, Pennsylvania (PHLthr) on 05-17
Record Highs
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1: 92°F (1974)
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2: 91°F (2017)
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3: 90°F (1951)
Record Lows
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1: 37°F (1956)
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2: 40°F (1984)
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3: 40°F (1983)
Lowest Highs
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1: 68°F (2015)
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2: 67°F (1932)
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3: 65°F (1982)
Highest Lows
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1: 56°F (1876)
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2: 57°F (2003)
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3: 58°F (1956)
Highest May temperature:
97°F on 05-30-1991.
Lowest May temperature:
28°F on 05-11-1966.
Average temperature is 66.2°F
Average high is 75.9°F
Average low is 56.6°F
Temperature data from 1873 to 2022.
Record Precipitation
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1: 1.33" (1985)
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2: 0.94" (1919)
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3: 0.88" (2004)
Precipitation data from 1871 to 2022.