York County
| 30 Year Climate Normals (Winthrop University) |
|---|
| |
Max Temp. |
Mean Temp. |
Min Temp. |
Precip |
CDD |
HDD |
| 1971-2000 |
72.1 F |
61.6 F |
51.1 F |
48.32 Inches |
1721 |
2934 |
| 1981-2010 |
73.3 F |
62.6 F |
51.8 F |
43.03 Inches |
1930 |
2815 |
| 1991-2020 |
72.3 F |
61 F |
49.7 F |
42.38 Inches |
1706 |
3141 |
Temperature Records (1899-2020)
Highest Maximum: 108 F, July 12, 1930; Winthrop University
Lowest Minimum: -4 F, January 21, 1985; Winthrop University
Precipitation Records (1949-2020)
Highest Daily Rainfall (COOP): 8.12 Inches, July 8, 1941; Fort Mill 4 NW
Highest Daily Rainfall (CoCoRaHS): 8.20 inches, August 27, 2008; Lake Wylie 2.3 SW
Annual Average Rainfall: 46.04 Inches; Winthrop University
Wettest Year: 1959, 69.49 Inches; Winthrop University
Driest Year: 2016, 25.56 Inches; Rock Hill York County Airport
Highest Daily Snowfall: 13.50 Inches, February 27, 2004; Catawba
Severe Weather Events- Countywide
Tornado
23 Tornadoes (1950-2020)
-
- E/F0: 11
- E/F1: 9
- E/F2: 3
- E/F3: 0
- E/F4: 0
- Period Of Record: 1950-2020
- Strongest: F2 on May 24, 1973 and May 28, 1973; EF2 on November 16, 2011
- Longest Path: 9.1 miles on March 24, 1975
- Widest Path: 200 yards on November 16, 2011
- 3 tornado related fatalities
- 13 tornado related injuries
- Total Damage Costs: $3 Million
Thunderstorm, High, and Strong Wind Events
320 Total Wind Events (winds exceeding 50 knots or 58 miles per hour, 1955-2020)
-
- 308 Thunderstorm wind events
- 5 High wind events
- 8 Strong wind events
- 3 Wind-related fatalities
- 7 Wind-related injuries
- Total Damage Costs: $1.366 Million
Hail (>1.0 inch)
32 Hail events (1955-2020)
Lightning
20 Lightning events (1993-2020)
2 Lightning related fatalities
1 Lightning related injury
Total Damage Costs: $403,000
Flood
41 Total Flood Events (1993-2020)
-
- 20 Flood Events
- 0 Coastal Flood Events
- 21 Flash Flood Events
- 0 Flood-related fatalities
- 0 Flood-related injuries
- Total Damage Costs: $612,500
Winter Weather-Related Events
64 Total Winter Weather-Related Events
-
- 10 Winter storm events
- 7 Ice storm events
- 11 Heavy snow events
- 2 Frost/freeze events
- 29 Winter weather events
- 5 Cold/wind chill events
- 0 Winter weather-related fatalities
- 0 Winter weather-related injuries
- Total Damage Costs: $61.715 Million
