Foc-Foc, on the island of La Réunion in the Indian Ocean, recorded 1,825 mm (71.8 in) of rainfall in 24 hours during Tropical Cyclone Denise on January 7–8, 1966 — the WMO's official world record, driven by the island's steep volcanic terrain forcing extreme orographic rainfall.
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Foc-Foc, on the island of La Réunion in the Indian Ocean, recorded 1,825 mm (71.8 in) of rainfall in 24 hours during Tropical Cyclone Denise on January 7–8, 1966 — the WMO's official world record, driven by the island's steep volcanic terrain forcing extreme orographic rainfall.
The greatest total rainfall recorded at a single location within any consecutive 24-hour period, as certified by the World Meteorological Organization.
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Limits Registry. LR-MOST-RAINFALL-24H. Most rainfall in 24 hours. 2026.