Most rainfall in one hour
The current most rainfall in one hour record is 12 in, held by Holt, Missouri, set on June 22, 1947. Last checked October 10, 2026.
12
in
Holt, Missouri
- Holder
- Holt, Missouri
- Record
- 12 in
- Metric
- 305 mm
- Exact figure
- 305 mm (12 in) in 42 minutes
- Location
- Holt, Missouri, United States
- Date set
- June 22, 1947
- Recognized by
- World Meteorological Organization
- Last checked
- October 10, 2026
Sources
- World Meteorological Organization Table Records 25Jul2025
- FOX Weather Rainiest hour minute american history holt missouri
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