Records for Portland Area, Maine (PWMthr) on 05-04
Record Highs
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1: 84°F (1955)
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2: 81°F (2001)
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3: 81°F (1963)
Record Lows
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1: 26°F (1951)
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2: 26°F (1946)
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3: 28°F (1986)
Lowest Highs
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1: 62°F (2001)
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2: 52°F (1942)
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3: 51°F (2010)
Highest Lows
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1: 43°F (1975)
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2: 43°F (1954)
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3: 45°F (1945)
Highest May temperature:
94°F on 05-31-1987.
Lowest May temperature:
23°F on 05-09-1956.
Average temperature is 51.2°F
Average high is 60.8°F
Average low is 41.7°F
Temperature data from 1874 to 2022.
Record Precipitation
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1: 2.08" (1893)
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2: 1.79" (1999)
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3: 1.65" (1945)
Precipitation data from 1871 to 2022.