Records for Wilmington Area, Delaware (ILGthr) on 09-20
Record Highs
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1: 93°F (1983)
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2: 92°F (1895)
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3: 89°F (2017)
Record Lows
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1: 40°F (1920)
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2: 41°F (1979)
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3: 41°F (1962)
Lowest Highs
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1: 72°F (1989)
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2: 70°F (1988)
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3: 70°F (1975)
Highest Lows
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1: 63°F (1956)
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2: 64°F (1982)
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3: 64°F (1962)
Highest September temperature:
100°F on 09-02-1953.
Lowest September temperature:
32°F on 09-27-1940.
Average temperature is 65.4°F
Average high is 73.6°F
Average low is 57.2°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 2.49" (1938)
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2: 1.07" (1905)
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3: 0.70" (1982)
Precipitation data from 1894 to 2022.