Records for Wilmington Area, Ohio (ILNthr) on 12-31
Record Highs
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1: 68°F (1951)
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2: 64°F (1965)
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3: 62°F (2010)
Record Lows
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1: -8°F (1983)
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2: -3°F (1976)
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3: -2°F (2017)
Lowest Highs
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1: 53°F (1965)
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2: 52°F (1992)
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3: 47°F (2004)
Highest Lows
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1: 12°F (2017)
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2: 12°F (1983)
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3: 14°F (1917)
Highest December temperature:
73°F on 12-04-1982.
Lowest December temperature:
-24°F on 12-22-1989.
Average temperature is 31.6°F
Average high is 39.2°F
Average low is 23.9°F
Temperature data from 1917 to 2022.
Record Precipitation
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1: 1.46" (1947)
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2: 1.29" (2018)
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3: 1.09" (1932)
Precipitation data from 1915 to 2022.