Records for Portland Area, Maine (PWMthr) on 12-18
Record Highs
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1: 53°F (1996)
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2: 52°F (1954)
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3: 50°F (2006)
Record Lows
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1: -9°F (1963)
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2: -6°F (1980)
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3: -3°F (1951)
Lowest Highs
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1: 39°F (1996)
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2: 34°F (2015)
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3: 33°F (2012)
Highest Lows
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1: 17°F (1979)
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2: 18°F (1963)
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3: 21°F (1942)
Highest December temperature:
71°F on 12-06-2001.
Lowest December temperature:
-21°F on 12-31-1963.
Average temperature is 29.7°F
Average high is 37.6°F
Average low is 21.7°F
Temperature data from 1874 to 2022.
Record Precipitation
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1: 3.50" (2012)
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2: 1.75" (1888)
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3: 1.40" (1951)
Precipitation data from 1871 to 2022.