Highest Maximum: 105 F, August 11, 2007; Jamestown and August 2, 1999; Moncks Corner 4 N and June 6, 2011; Witherbee South Carolina
Lowest Minimum: 8 F, January 22, 1985; Pinopolis Dam and January 6, 2018; Jamestown
Precipitation Records (1893-2020)
Highest Daily Rainfall (COOP): 9.5 inches, October 8, 2016; Moncks Corner 4 N
Highest Daily Rainfall (CoCoRaHS): 11.5 inches, October 4, 2015
Annual Average Rainfall: 49.6 inches
Wettest Year: 1893, 69.44 inches; Saint Stephens
Driest Year: 1954, 24.15 inches; Pinopolis Dam
Highest Daily Snowfall: 8.2 inches, February 13, 2010; Summerville 3.8 NE (CoCoRaHS)
Severe Weather Events- Countywide
Tornado
37 Tornadoes (1950-2020)
E/F0: 24
E/F1: 10
E/F2: 2
E/F3: 1
E/F4: 0
Period Of Record: 1950-2020
Strongest: EF3 on April 13, 2020
Longest Path: 10 miles on May 10, 1998
Widest Path: 666 yards on May 10, 1998
1 tornado related fatality
26 tornado related injuries
Total Damage Costs: $8.5 Million
Thunderstorm, High, and Strong Wind Events
380 Total Wind Events (winds exceeding 50 knots or 58 miles per hour, 1955-2020)
354 Thunderstorm wind events
4 High wind events
22 Strong wind events
2 Wind-related fatalities
7 Wind-related injuries
Total Damage Costs: $509,100
Hail (>1.0 inch)
160 Hail events (1955-2020)
Lightning
20 Lightning events (1993-2020)
1 Lightning related fatality
5 Lightning related injuries
Total Damage Costs: $393,000