Records for Charleston Area, South Carolina (CHSthr) on 05-18
Record Highs
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1: 96°F (1960)
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2: 94°F (2001)
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3: 94°F (1944)
Record Lows
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1: 50°F (1973)
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2: 50°F (1940)
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3: 51°F (2009)
Lowest Highs
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1: 75°F (1995)
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2: 73°F (2018)
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3: 73°F (1991)
Highest Lows
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1: 59°F (2009)
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2: 72°F (1973)
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3: 74°F (1955)
Highest May temperature:
101°F on 05-28-2019.
Lowest May temperature:
36°F on 05-02-1963.
Average temperature is 74°F
Average high is 79.4°F
Average low is 68.6°F
Temperature data from 1937 to 2022.
Record Precipitation
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1: 1.10" (1980)
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2: 1.04" (1957)
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3: 1.03" (2002)
Precipitation data from 1937 to 2022.