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 |
| 1991-2020 |
74.7 F |
64.1 F |
53.4 F |
46.91 Inches |
2151 |
2467 |
Temperature Records (1952-2020)
Highest Maximum: 109 F, July 29, 1987; Clarks Hill 1 W
Lowest Minimum: -2 F, January 21, 1985; Clarks Hill 1 W
Precipitation Records (1952-2020)
Highest Daily Rainfall (COOP): 9.40 Inches, October 12, 1990; Clarks Hill 1 W
Highest Daily Rainfall (CoCoRaHS): 5.15 inches, August 21, 2019; McCormick 2.3 W
Annual Average Rainfall: 46.16 Inches; Clarks Hill 1 W
Wettest Year: 1964, 76.28 inches; Clarks Hill 1 W
Driest Year: 1954, 24.28 Inches; Clarks Hill 1 W
Highest Daily Snowfall: 8.0 Inches, February 24, 1989; Clarks Hill 1 W
Severe Weather Events- Countywide
Tornado
16 Tornadoes (1950-2020)
-
- E/F0: 7
- E/F1: 8
- E/F2: 0
- E/F3: 1
- E/F4: 0
- Period Of Record: 1950-2020
- Strongest: F3 on November 22, 1992
- Longest Path: 16 miles on February 13, 2007
- Widest Path: 440 yards on March 15, 2008
- 0 tornado related fatalities
- 4 tornado related injuries
- Total Damage Costs: $510,000
Thunderstorm, High, and Strong Wind Events
107 Total Wind Events (winds exceeding 50 knots or 58 miles per hour, 1955-2020)
-
- 102 Thunderstorm wind events
- 1 High wind event
- 4 Strong wind events
- 0 Wind-related fatalities
- 2 Wind-related injuries
- Total Damage Costs: $347,000
Hail (>1.0 inch)
29 Hail events (1955-2020)
Lightning
1 Lightning event (1993-2020)
0 Lightning related fatalities
0 Lightning related injuries
Total Damage Costs: $200,000
Flood
4 Total Flood Events (1993-2020)
-
- 0 Flood Events
- 0 Coastal Flood Events
- 4 Flash Flood Events
- 0 Flood-related fatalities
- 0 Flood-related injuries
- Total Damage Costs: $18,000
Winter Weather-Related Events
12 Total Winter Weather-Related Events
-
- 8 Winter storm events
- 4 Ice storm events
- 0 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
