Records for Dayton Area, Ohio (DAYthr) on 05-21
Record Highs
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1: 92°F (1902)
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2: 91°F (1934)
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3: 90°F (1975)
Record Lows
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1: 32°F (1907)
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2: 34°F (1895)
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3: 38°F (1954)
Lowest Highs
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1: 68°F (2004)
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2: 68°F (1975)
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3: 67°F (2013)
Highest Lows
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1: 53°F (2002)
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2: 54°F (1986)
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3: 55°F (1919)
Highest May temperature:
98°F on 05-28-1911.
Lowest May temperature:
26°F on 05-01-1963.
Average temperature is 65.5°F
Average high is 76.3°F
Average low is 54.6°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 1.75" (2014)
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2: 1.54" (2022)
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3: 1.28" (2010)
Precipitation data from 1893 to 2022.