Records for Portland Area, Maine (PWMthr) on 08-21
Record Highs
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1: 95°F (1945)
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2: 94°F (1955)
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3: 90°F (2020)
Record Lows
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1: 42°F (1977)
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2: 42°F (1953)
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3: 44°F (1990)
Lowest Highs
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1: 68°F (2009)
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2: 67°F (2015)
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3: 66°F (2003)
Highest Lows
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1: 61°F (1956)
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2: 64°F (1997)
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3: 64°F (1991)
Highest August temperature:
103°F on 08-02-1975.
Lowest August temperature:
33°F on 08-31-1965.
Average temperature is 68.8°F
Average high is 78.4°F
Average low is 59.2°F
Temperature data from 1874 to 2022.
Record Precipitation
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1: 1.91" (2019)
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2: 1.63" (2004)
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3: 1.42" (1991)
Precipitation data from 1871 to 2022.