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South Carolina Temperature and Precipitation Trends 1901-2005

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South Carolina State Climatology Office
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Charleston County

30 Year Climate Normals (Charleston City)
Max Temp. Mean Temp. Min Temp. Precip CDD HDD
1971-2000 73.5 F 67.0 F 60.4 F 46.39 Inches 2486 1755
1981-2010 72.9 F 66.7 F 60.6 F 44.42 Inches 2375 1736

Temperature Summary (1893-2016)


Highest Maximum: 105 F, June 26 1952, Sullivans Island August 1, 1999; Charleston AFB
Lowest Minimum: 4 F, January 21, 1985; McClellanville

Precipitation Summary (1893-2016)


Highest Daily Rainfall: 11.50 inches, October 3, 2015; Charleston AFB
Annual Average Rainfall: 45.30 inches; Downtown Charleston
Wettest Year: 78.88 inches, 1964; McClellanville
Driest Year: 27.63 inches, 2000
Highest Daily Snowfall: 6.5 inches, Charleston NAS February 10, 1973

Severe Weather Events

Tornado
41 Tornadoes (1950-2016)
Tornado damage: $5.956 million
17 tornado related injuries
0 tornado related fatalities

Thunderstorm Winds
363 Wind events (winds exceeding 50 knots or 58 miles per hour, 1955-2016)

Hail (>1.0 inch)
142 Hail events (1955-2016)

Lightning
22 Lightning events (1993-2016)
Lightning damage: $695,000
2 Lightning related fatalities

Flood
224 Flood Events (1993-2016)

Snow and Ice
8 Winter frozen precipitation events (1993-2016)

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Columbia, SC 29202