Records for Portland Area, Maine (PWMthr) on 05-13
Record Highs
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1: 83°F (1991)
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2: 78°F (1947)
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3: 75°F (1985)
Record Lows
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1: 28°F (1962)
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2: 33°F (1999)
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3: 34°F (2010)
Lowest Highs
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1: 53°F (1980)
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2: 53°F (1959)
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3: 51°F (1979)
Highest Lows
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1: 45°F (2002)
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2: 49°F (2006)
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3: 50°F (2003)
Highest May temperature:
94°F on 05-31-1987.
Lowest May temperature:
23°F on 05-09-1956.
Average temperature is 54°F
Average high is 63.4°F
Average low is 44.6°F
Temperature data from 1874 to 2022.
Record Precipitation
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1: 2.77" (2006)
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2: 2.43" (1893)
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3: 1.78" (1960)
Precipitation data from 1871 to 2022.