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Marlboro County

30 Year Climate Normals (McColl)
Max Temp. Mean Temp. Min Temp. Precip CDD HDD
1971-2000 74.3 F 62.7 F 51.1 F 39.04 Inches 1917 2731
1981-2010 73.9 F 62.5 F 51.1 F 39.09 Inches 1898 2805
1991-2020 74.5 F 63.4 F 52.2 F 41.72 Inches 2023 2594

Temperature Records (1900-2020)


Highest Maximum: 108 F, August 10, 2007; McColl 3 NNW
Lowest Minimum: -5 F, January 21, 1985; McColl 3 NNW

Precipitation Records (1900-2020)


Highest Daily Rainfall (COOP): 6.95 Inches, October 15, 1954; McColl 3 NNW
Highest Daily Rainfall (CoCoRaHS): 6.32 inches, September 30, 2010; Bennettsville 1.2 SE
Annual Average Rainfall: 44.62 Inches; McColl 3 NNW
Wettest Year: 1964, 62.67 Inches; McColl 3 NNW
Driest Year: 1993, 20.46 Inches; McColl 3 NNW
Highest Daily Snowfall: 15.0 Inches, February 10, 1973; McColl 3 NNW

Severe Weather Events- Countywide

Tornado

15 Tornadoes (1950-2020)
  • E/F0: 4
  • E/F1: 6
  • E/F2: 1
  • E/F3: 1
  • E/F4: 3
  • Period Of Record: 1950-2020
    Strongest: F4 on April 8, 1957 and March 28, 1994 (2)
    Longest Path: 20.5 miles on April 18, 1969
    Widest Path: 2600 yards on March 28, 1994
    9 tornado related fatalities
    217 tornado related injuries
    Total Damage Costs: $51.1 Million

    Thunderstorm, High, and Strong Wind Events

    161 Total Wind Events (winds exceeding 50 knots or 58 miles per hour, 1955-2020)
  • 153 Thunderstorm wind events
  • 3 High wind events
  • 5 Strong wind events
  • 0 Wind-related fatalities
    4 Wind-related injuries
    Total Damage Costs: $1.227 Million

    Hail (>1.0 inch)


    24 Hail events (1955-2020)

    Lightning


    3 Lightning events (1993-2020)
    0 Lightning related fatalities
    0 Lightning related injuries
    Total Damage Costs: $115,000

    Flood

    13 Total Flood Events (1993-2020)
  • 2 Flood Events
  • 0 Coastal Flood Events
  • 11 Flash Flood Events
  • 1 Flood-related fatality
    0 Flood-related injuries
    Total Damage Costs: $905,000

    Winter Weather-Related Events

    24 Total Winter Weather-Related Events
  • 6 Winter storm events
  • 7 Ice storm events
  • 4 Heavy snow events
  • 0 Frost/freeze events
  • 7 Winter weather events
  • 0 Cold/wind chill events
  • 1 Winter weather-related fatality
    0 Winter weather-related injuries
    Total Damage Costs: $4.677 Million

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    Columbia, SC 29202

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