Records for Wilmington Area, Delaware (ILGthr) on 09-21
Record Highs
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1: 97°F (1895)
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2: 90°F (1998)
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3: 90°F (1965)
Record Lows
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1: 37°F (1956)
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2: 38°F (1962)
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3: 41°F (1937)
Lowest Highs
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1: 74°F (1989)
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2: 74°F (1895)
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3: 71°F (1925)
Highest Lows
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1: 62°F (1973)
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2: 62°F (1962)
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3: 62°F (1956)
Highest September temperature:
100°F on 09-02-1953.
Lowest September temperature:
32°F on 09-27-1940.
Average temperature is 65°F
Average high is 73.2°F
Average low is 56.8°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 2.76" (1983)
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2: 2.70" (1966)
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3: 2.30" (1938)
Precipitation data from 1894 to 2022.