York County
Temperature Summary (1899-2006)
Highest Maximum: 108 F, July 12, 1930
Lowest Minimum: -4 F, January 21, 1985
Annual Average:
Maximum 72.2 F
Mean 61.4 F
Minimum 50.5 F
Precipitation Summary (1949-2006)
Highest Daily Rainfall: 7.77 Inches, July 24, 1997
Annual Average Rainfall: 46.94 Inches
Wettest Year: 66.94 Inches, 1959
Driest Year: 26.07 Inches, 2001
Mean Snowfall: 3.8 Inches
Largest Snowfall: 12.0 Inches, 1988
Extreme Events (*Data through August 2006)
18 Tornadoes (1950-2006)
Total cost from all the tornadoes $1.906 million
8 Injuries from all the tornadoes
177 Wind Events (thunderstorm winds exceeding 60 miles per hour)
78 Hail Events (1955-2000)
Total cost= $6,000
20 Lightning Events (1993-2006)
3 Lightning-related Injuries
0 Deaths from Lightning
Total cost= $738,000
Following data from 1993-2006
16 Total Floods
9 Flash Floods
4 River Floods
2 Urban Floods
30 Ice, Sleet or Snow Events
19 Extreme Cold Events
161 Months in Moderate to extreme according to Palmer Drought Severity Index computed by Regional Drought Monitor
