Records for Portland Area, Maine (PWMthr) on 05-11
Record Highs
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1: 83°F (1985)
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2: 82°F (1959)
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3: 81°F (1953)
Record Lows
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1: 29°F (2010)
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2: 29°F (1962)
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3: 29°F (1951)
Lowest Highs
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1: 55°F (1985)
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2: 55°F (1970)
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3: 53°F (1979)
Highest Lows
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1: 39°F (1963)
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2: 48°F (1995)
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3: 49°F (1983)
Highest May temperature:
94°F on 05-31-1987.
Lowest May temperature:
23°F on 05-09-1956.
Average temperature is 53.4°F
Average high is 62.8°F
Average low is 44°F
Temperature data from 1874 to 2022.
Record Precipitation
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1: 3.32" (1989)
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2: 1.29" (1931)
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3: 0.91" (1945)
Precipitation data from 1871 to 2022.