Records for Portland Area, Maine (PWMthr) on 12-15
Record Highs
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1: 57°F (2008)
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2: 56°F (2015)
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3: 54°F (2019)
Record Lows
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1: -3°F (1989)
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2: -3°F (1960)
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3: -1°F (1980)
Lowest Highs
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1: 42°F (1983)
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2: 40°F (1993)
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3: 37°F (2011)
Highest Lows
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1: 15°F (1943)
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2: 16°F (1980)
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3: 20°F (1962)
Highest December temperature:
71°F on 12-06-2001.
Lowest December temperature:
-21°F on 12-31-1963.
Average temperature is 30.5°F
Average high is 38.4°F
Average low is 22.6°F
Temperature data from 1874 to 2022.
Record Precipitation
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1: 2.30" (1884)
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2: 1.52" (1968)
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3: 1.47" (1954)
Precipitation data from 1871 to 2022.