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Calhoun County

30 Year Climate Normals (Orangeburg 2*, Sandy Run )
Max Temp. Mean Temp. Min Temp. Precip CDD HDD
1971-2000* 75.6 F 63.5 F 51.4 F 47.37 Inches 2022 2552
1981-2010 75.9 F 64.1 F 52.4 F 49.45 Inches 2106 2425
1991-2020 73 F 61.5 F 50 F 52.38 Inches 1743 2990

Temperature Records (1898-2020)


Highest Maximum: 105 F, June 6, 1920; St Matthews
Lowest Minimum: 0 F, February 14, 15, 1899; St Matthews

Precipitation Records (1898-2020)


Highest Daily Rainfall (COOP): 4.93 inches, October 11, 1911; St Matthews
Highest Daily Rainfall (CoCoRaHS): 10.50, October 4, 2015; St. Matthews 3.2 ENE
Annual Average Rainfall: 44.85 inches
Wettest Year: 1903, 67.89 inches; St Matthews
Driest Year: 2010, 35.63 inches; Sandy Run 3 ENE
Highest Daily Snowfall: 7.0 inches, February 26, 1914; St. Matthews

Severe Weather Events- Countywide

Tornado

24 Tornadoes (1950-2020)
  • E/F0: 7
  • E/F1: 6
  • E/F2: 8
  • E/F3: 1
  • E/F4: 0
  • Unkown: 2
  • Period Of Record: 1950-2020
    Strongest: EF3 on April 13, 2020
    Longest Path: 24.39 miles on March 15, 2008
    Widest Path: 600 yards on April 3, 2017
    1 tornado related fatality
    8 tornado related injuries
    Total Damage Costs: $1.9 Million

    Thunderstorm, High, and Strong Wind Events

    150 Total Wind Events (winds exceeding 50 knots or 58 miles per hour, 1955-2020)
  • 145 Thunderstorm wind events
  • 2 High wind events
  • 3 Strong wind events
  • 0 Wind-related fatalities
    0 Wind-related injuries
    Total Damage Costs: $2.149 Million

    Hail (>1.0 inch)


    35 Hail events (1955-2020)

    Lightning


    1 Lightning event (1993-2020)
    0 Lightning related fatalities
    1 Lightning related injury
    Total Damage Costs: $0

    Flood

    8 Total Flood Events (1993-2020)
  • 2 Flood Events
  • 0 Coastal Flood Events
  • 6 Flash Flood Events
  • 0 Flood-related fatalities
    0 Flood-related injuries
    Total Damage Costs: $10.767 Million

    Winter Weather-Related Events

    12 Total Winter Weather-Related Events
  • 6 Winter storm events
  • 4 Ice storm events
  • 2 Heavy snow events
  • 0 Frost/freeze events
  • 0 Winter weather events
  • 0 Cold/wind chill events
  • 0 Winter weather-related fatalities
    0 Winter weather-related injuries
    Total Damage Costs: $0

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    Columbia, SC 29202

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