Records for Charleston Downtown Area, South Carolina (CXMthr) on 05-18
Record Highs
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1: 98°F (1899)
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2: 93°F (1977)
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3: 92°F (1996)
Record Lows
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1: 52°F (2009)
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2: 55°F (1973)
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3: 56°F (1979)
Lowest Highs
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1: 77°F (1991)
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2: 76°F (1995)
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3: 75°F (2017)
Highest Lows
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1: 63°F (2009)
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2: 69°F (1973)
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3: 70°F (1934)
Highest May temperature:
100°F on 05-27-2019.
Lowest May temperature:
45°F on 05-20-1894.
Average temperature is 74°F
Average high is 79.4°F
Average low is 68.6°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 1.79" (1955)
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2: 1.68" (2003)
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3: 0.70" (1968)
Precipitation data from 1893 to 2022.