Records for Portland Area, Maine (PWMthr) on 09-17
Record Highs
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1: 88°F (1941)
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2: 86°F (1991)
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3: 86°F (1946)
Record Lows
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1: 30°F (1948)
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2: 33°F (1960)
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3: 33°F (1950)
Lowest Highs
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1: 63°F (2018)
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2: 63°F (2004)
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3: 63°F (1991)
Highest Lows
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1: 56°F (1956)
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2: 57°F (1954)
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3: 58°F (1993)
Highest September temperature:
95°F on 09-07-1945.
Lowest September temperature:
23°F on 09-30-1941.
Average temperature is 61.2°F
Average high is 70.7°F
Average low is 51.7°F
Temperature data from 1874 to 2022.
Record Precipitation
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1: 1.90" (1875)
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2: 1.79" (1934)
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3: 1.41" (1888)
Precipitation data from 1871 to 2022.