Records for Portland Area, Maine (PWMthr) on 05-25
Record Highs
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1: 92°F (2007)
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2: 88°F (2018)
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3: 88°F (1977)
Record Lows
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1: 27°F (1956)
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2: 32°F (1963)
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3: 35°F (1972)
Lowest Highs
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1: 62°F (1991)
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2: 62°F (1977)
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3: 61°F (2007)
Highest Lows
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1: 50°F (1974)
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2: 51°F (2005)
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3: 51°F (2004)
Highest May temperature:
94°F on 05-31-1987.
Lowest May temperature:
23°F on 05-09-1956.
Average temperature is 57.5°F
Average high is 66.7°F
Average low is 48.3°F
Temperature data from 1874 to 2022.
Record Precipitation
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1: 2.74" (1894)
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2: 1.09" (2005)
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3: 1.03" (2017)
Precipitation data from 1871 to 2022.