Records for Charleston Downtown Area, South Carolina (CXMthr) on 08-20
Record Highs
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1: 99°F (1902)
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2: 97°F (1925)
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3: 96°F (1900)
Record Lows
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1: 66°F (1943)
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2: 67°F (1976)
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3: 67°F (1894)
Lowest Highs
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1: 82°F (2017)
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2: 81°F (2021)
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3: 81°F (2009)
Highest Lows
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1: 73°F (1981)
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2: 78°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 86.1°F
Average low is 76.3°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 3.26" (1949)
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2: 1.98" (1990)
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3: 1.89" (2010)
Precipitation data from 1893 to 2022.