Records for Portland Area, Maine (PWMthr) on 05-24
Record Highs
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1: 91°F (1991)
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2: 90°F (1964)
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3: 87°F (1977)
Record Lows
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1: 30°F (1963)
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2: 30°F (1956)
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3: 33°F (1965)
Lowest Highs
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1: 58°F (1988)
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2: 56°F (1964)
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3: 56°F (1955)
Highest Lows
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1: 48°F (1987)
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2: 49°F (2003)
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3: 50°F (2005)
Highest May temperature:
94°F on 05-31-1987.
Lowest May temperature:
23°F on 05-09-1956.
Average temperature is 57.2°F
Average high is 66.4°F
Average low is 48°F
Temperature data from 1874 to 2022.
Record Precipitation
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1: 1.56" (1960)
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2: 1.50" (1999)
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3: 1.43" (1979)
Precipitation data from 1871 to 2022.