Records for Charleston Downtown Area, South Carolina (CXMthr) on 08-21
Record Highs
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1: 99°F (1900)
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2: 98°F (1925)
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3: 98°F (1902)
Record Lows
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1: 66°F (1961)
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2: 66°F (1930)
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3: 67°F (1973)
Lowest Highs
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1: 82°F (1900)
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2: 81°F (2011)
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3: 81°F (2006)
Highest Lows
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1: 75°F (1981)
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2: 75°F (1976)
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3: 78°F (1933)
Highest August temperature:
103°F on 08-01-1999.
Lowest August temperature:
59°F on 08-29-1986.
Average temperature is 81.2°F
Average high is 86°F
Average low is 76.3°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 2.56" (1941)
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2: 1.69" (2015)
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3: 1.63" (1898)
Precipitation data from 1893 to 2022.