Records for Portland Area, Maine (PWMthr) on 05-14
Record Highs
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1: 84°F (2022)
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2: 81°F (1961)
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3: 76°F (1968)
Record Lows
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1: 28°F (1951)
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2: 30°F (1966)
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3: 32°F (1998)
Lowest Highs
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1: 58°F (2022)
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2: 56°F (1979)
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3: 52°F (2016)
Highest Lows
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1: 45°F (2019)
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2: 47°F (1948)
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3: 48°F (2017)
Highest May temperature:
94°F on 05-31-1987.
Lowest May temperature:
23°F on 05-09-1956.
Average temperature is 54.3°F
Average high is 63.6°F
Average low is 44.9°F
Temperature data from 1874 to 2022.
Record Precipitation
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1: 0.72" (2017)
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2: 0.70" (1964)
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3: 0.70" (1893)
Precipitation data from 1871 to 2022.