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2018 Mesonet Extremes Map

County map of Oklahoma on a light blue background with icons and labels listing Mesonet extremes for 2018. The map contents are described in the article below. The image header reads, Oklahoma Weather Extremes of 2018. The image footer contains the Oklahoma Mesonet logo and Oklahoma's Weather Network tagline along with the Mesonet website address and social media icons and handles. The graphic was created on December 27, 2018.

Each year the Oklahoma Mesonet creates a map showing the most extreme events that were recorded by the network throughout the year. In a year of wild weather, we identified 11 extremes that really stood out:

  • Alva - Greatest 24-hr Temperature Change: 100.6°F to 32.7°F on April 17
  • Eva - Lowest Wind Chill: −22.1°F on January 16
  • Fittstown - Greatest 24-hr Rainfall: 14.48" on September 22
  • Grandfield - Highest Air Temperature: 113.0°F on July 19
  • Hooker - Longest Stretch without Measurable Precipitation: 137 days October 10, 2017 to February 24, 2018
  • Inola - Highest Wind Gust: 84.6 mph on August 19
  • Miami - Lowest Air Temperature: −7.6°F on January 17
  • Mt. Herman - Greatest 1-hr Rainfall: 3.65" on May 22
  • Oklahoma City East - Greatest 1-hr Temperature Change: 68.4°F to 35.2°F on February 20
  • Pawnee - Highest Heat Index: 120.5°F on July 19
  • Webbers Falls - Highest Dew Point Temperature: 82.7°F on July 2

This graphic was created on December 27, 2018.