Oconee County
30 Year Climate Normals (Walhalla) |
|
Max Temp. |
Mean Temp. |
Min Temp. |
Precip |
CDD |
HDD |
1971-2000 |
72.4 F |
58.8 F |
45.1 F |
60.65 Inches |
1302 |
3567 |
1981-2010 |
71.8 F |
59.5 F |
47.1 F |
57.81 Inches |
1422 |
3441 |
1991-2020 |
71 F |
59.2 F |
47.7 F |
61.1 Inches |
1396 |
3483 |
Temperature Records (1896-2020)
Highest Maximum: 108 F, September 7, 1925; Walhalla
Lowest Minimum: -8 F, January 21, 1985; Long Creek
Precipitation Records (1948-2020)
Highest Daily Rainfall (COOP): 9.65 Inches, September 20, 1924; Walhalla
Highest Daily Rainfall (CoCoRaHS): 8.92 inches, September 21, 2009; Walhalla 1.5 NW
Annual Average Rainfall: 60.32 Inches; Walhalla
Wettest Year: 2018, 123.45 inches; Jocassee 8 WNW
Driest Year: 2016, 26.41 Inches; Clemson Oconee County Airport
Highest Daily Snowfall: 15 Inches, January 7, 1988; Long Creek
Severe Weather Events- Countywide
Tornado
29 Tornadoes (1950-2020)
-
- E/F0: 16
- E/F1: 6
- E/F2: 5
- E/F3: 2
- E/F4: 0
- Period Of Record: 1950-2020
- Strongest: F3 on March 27, 1994 and EF3 on April 13, 2020
- Longest Path: 30 miles on January 14, 1995
- Widest Path: 900 yards on June 26, 1994
- 0 tornado related fatalities
- 15 tornado related injuries
- Total Damage Costs: $7.4 Million
Thunderstorm, High, and Strong Wind Events
337 Total Wind Events (winds exceeding 50 knots or 58 miles per hour, 1955-2020)
-
- 295 Thunderstorm wind events
- 38 High wind events
- 4 Strong wind events
- 1 Wind-related fatality
- 4 Wind-related injuries
- Total Damage Costs: $1.686 Million
Hail (>1.0 inch)
116 Hail events (1955-2020)
Lightning
13 Lightning events (1993-2020)
0 Lightning related fatalities
4 Lightning related injuries
Total Damage Costs: $751,000
Flood
30 Total Flood Events (1993-2020)
-
- 11 Flood Events
- 0 Coastal Flood Events
- 19 Flash Flood Events
- 0 Flood-related fatalities
- 0 Flood-related injuries
- Total Damage Costs: $1.934 Million
Winter Weather-Related Events
165 Total Winter Weather-Related Events
-
- 23 Winter storm events
- 13 Ice storm events
- 30 Heavy snow events
- 3 Frost/freeze events
- 80 Winter weather events
- 16 Cold/wind chill events
- 2 Winter weather-related fatalities
- 0 Winter weather-related injuries
- Total Damage Costs: $117.250 Million