Records for Wilmington Area, Delaware (ILGthr) on 09-17
Record Highs
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1: 92°F (1991)
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2: 91°F (1972)
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3: 90°F (1958)
Record Lows
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1: 43°F (1986)
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2: 44°F (1990)
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3: 44°F (1984)
Lowest Highs
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1: 73°F (1991)
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2: 71°F (2005)
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3: 70°F (1894)
Highest Lows
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1: 62°F (1959)
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2: 63°F (1990)
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3: 65°F (1993)
Highest September temperature:
100°F on 09-02-1953.
Lowest September temperature:
32°F on 09-27-1940.
Average temperature is 66.5°F
Average high is 74.7°F
Average low is 58.3°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 1.85" (1993)
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2: 1.39" (1995)
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3: 1.23" (1934)
Precipitation data from 1894 to 2022.