Records for Dayton Area, Ohio (DAYthr) on 09-15
Record Highs
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1: 99°F (1897)
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2: 97°F (1939)
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3: 95°F (1903)
Record Lows
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1: 35°F (1902)
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2: 40°F (1910)
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3: 40°F (1899)
Lowest Highs
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1: 75°F (1936)
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2: 73°F (1931)
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3: 72°F (1942)
Highest Lows
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1: 58°F (1949)
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2: 61°F (2011)
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3: 61°F (1984)
Highest September temperature:
102°F on 09-05-1899.
Lowest September temperature:
30°F on 09-30-1899.
Average temperature is 67.9°F
Average high is 79.7°F
Average low is 56.2°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 1.60" (1965)
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2: 1.41" (1896)
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3: 1.11" (1977)
Precipitation data from 1893 to 2022.