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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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McCormick County

30 Year Climate Normals (Clarks Hill)
Max Temp. Mean Temp. Min Temp. Precip CDD HDD
1971-2000 77.0 F 63.0 F 49.0 F 46.79 Inches 2023 2730
1981-2010 75.9 F 64.4 F 52.9 F 45.05 Inches 2238 2451

Temperature Summary (1952-2016)


Highest Maximum: 109 F, July 29, 1987; Clarks Hill 1 W
Lowest Minimum: -2 F, January 21, 1985; Clarks Hill 1 W

Precipitation Summary (1952-2016)


Highest Daily Rainfall: 9.40 Inches, October 12, 1990; Clarks Hill
Annual Average Rainfall: 46.16 Inches; Clarks Hill 1 W
Wettest Year: 76.29 Inches, 1964; Clarks Hill 1 W
Driest Year: 24.28 Inches, 1954; Clarks Hill 1 W
Highest Daily Snowfall: 8.0 Inches, February 24, 1989

Severe Weather Events

Tornado
15 Tornadoes (1950-2016)
Tornado damage: $509,000
4 tornado related injuries
0 tornado related fatalities

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

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

Lightning
1 Lightning event (1993-2016)
Lightning damage: $200,000
0 Lightning related fatalities

Flood
5 Flood Events (1993-2016)

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

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Columbia, SC 29202