Records for Portland Area, Maine (PWMthr) on 05-06
Record Highs
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1: 84°F (1976)
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2: 81°F (1950)
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3: 77°F (1960)
Record Lows
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1: 28°F (1961)
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2: 29°F (1978)
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3: 30°F (1972)
Lowest Highs
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1: 57°F (2002)
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2: 54°F (1993)
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3: 50°F (1999)
Highest Lows
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1: 45°F (1985)
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2: 47°F (1987)
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3: 47°F (1954)
Highest May temperature:
94°F on 05-31-1987.
Lowest May temperature:
23°F on 05-09-1956.
Average temperature is 51.9°F
Average high is 61.4°F
Average low is 42.4°F
Temperature data from 1874 to 2022.
Record Precipitation
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1: 2.23" (1991)
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2: 1.71" (1989)
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3: 1.65" (1998)
Precipitation data from 1871 to 2022.