Records for Wilmington Area, Ohio (ILNthr) on 12-18
Record Highs
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1: 67°F (1984)
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2: 64°F (1967)
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3: 62°F (1924)
Record Lows
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1: -14°F (1989)
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2: -2°F (1985)
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3: 0°F (1953)
Lowest Highs
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1: 42°F (1984)
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2: 41°F (1924)
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3: 39°F (1967)
Highest Lows
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1: 8°F (1989)
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2: 20°F (1963)
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3: 20°F (1953)
Highest December temperature:
73°F on 12-04-1982.
Lowest December temperature:
-24°F on 12-22-1989.
Average temperature is 34.3°F
Average high is 41.9°F
Average low is 26.8°F
Temperature data from 1917 to 2022.
Record Precipitation
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1: 1.30" (1990)
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2: 1.23" (1957)
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3: 1.18" (1929)
Precipitation data from 1915 to 2022.