Records for Portland Area, Maine (PWMthr) on 05-19
Record Highs
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1: 86°F (1949)
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2: 85°F (2017)
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3: 81°F (1962)
Record Lows
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1: 28°F (1951)
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2: 29°F (1944)
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3: 30°F (1956)
Lowest Highs
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1: 59°F (1949)
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2: 55°F (1999)
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3: 54°F (1986)
Highest Lows
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1: 50°F (1997)
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2: 51°F (1979)
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3: 51°F (1950)
Highest May temperature:
94°F on 05-31-1987.
Lowest May temperature:
23°F on 05-09-1956.
Average temperature is 55.7°F
Average high is 65°F
Average low is 46.5°F
Temperature data from 1874 to 2022.
Record Precipitation
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1: 1.50" (1901)
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2: 1.36" (2011)
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3: 1.27" (1900)
Precipitation data from 1871 to 2022.