Loading ...1890: Thunderstorms left four inches of hail covering the ground in Adair and Union Counties in Iowa. The hail drifted into six foot mounds in spots and remained on the ground for 26 days in some locations.
1959: A bucket survey showed that thunderstorms dropped 16.70 inches of rain on parts of Decatur County, Iowa. The total was accepted as Iowa’s 24 hour rainfall record.
1986: Evening thunderstorms produced wind gusts to 100 miles per hour at Winner, South Dakota. This caused damage to 200 homes.
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