What Is the Heaviest Rainfall Ever Recorded in a Single Day?

Discover the record for the heaviest rainfall ever recorded during Tropical Cyclone Denise in 1966 on La Réunion Island.

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The heaviest rainfall ever recorded occurred during Tropical Cyclone Denise on January 7-8, 1966, in Foc-Foc, La Réunion, an island in the Indian Ocean. Over 24 hours, an astonishing 1,825 millimeters (71.8 inches) of rain fell, setting a world record for the most substantial rainfall in a single day.

FAQs & Answers

  1. What is the heaviest rainfall ever recorded in 24 hours? The heaviest rainfall recorded in 24 hours was 1,825 millimeters (71.8 inches) during Tropical Cyclone Denise on January 7-8, 1966, at Foc-Foc in La Réunion.
  2. Where did the record for heaviest rainfall take place? The record heaviest rainfall took place at Foc-Foc on La Réunion Island in the Indian Ocean.
  3. What caused the heaviest rainfall ever recorded? The extreme rainfall was caused by Tropical Cyclone Denise, which brought intense precipitation leading to the world record.

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