Broken Records

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 9, 2026.

12

in

Holt, Missouri

Holt, Missouri, United States, 1947

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 9, 2026

Sources

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