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Oklahoma County Climate Summary
OklahomaClimatological Survey
www.ocs.ou.edu
TEMPERATURE
PRECIPITATION
OTHER FACTS
WINTER WEATHER
Average Annual: 61 degreesAverage Maximum: 72 degreesAverage Minimum: 49 degreesHighest: 110 degrees (Lake Overholser, July 8, 1970) Lowest: -17 degrees (Edmond, February 12, 1899) Days of 90 Degrees or Higher: 75Days of 20 Degrees or Lower: 22
Average Annual: 36.21 inchesDays With Precipitation: 72Wettest Year: 48.11 inches in 1973Driest Year: 15.15 inches in 1954Greatest Daily Rainfall: 7.69 inches (Oklahoma City, May 19, 1955)
Average Annual Snowfall: 7.0 inchesDays with snow on ground: 4Greatest Seasonal Snowfall: 24.6 inches (1967-1968)Greatest Daily Snowfall: 8.4 inches (Oklahoma City, March 10, 1948) Last Freeze in Spring: April 4 First Freeze in Autumn: November 1 Growing Season: 211 Days
Average Wind Speed: 7 mphSunshine: 55- 80%Average Humidity: 67%Thunderstorm Days: 49Hail Events: 4 per yearTornadoes (1950-2003): 86
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