The day with the highest recorded rainfall was January 7-8, 1966, in Cilaos, Réunion, where 1,825 mm (71.9 inches) of rain fell within 24 hours during Tropical Cyclone Denise

. This is the world record for the most rainfall in a single day. Other notable extreme rainfall events include:

• 305 mm (12.0 in) in 60 minutes at Holt, Missouri, USA on June 22, 1947

• 38 mm (1.5 in) in 1 minute at Barot, Guadeloupe on November 26, 1970

• 745.2 mm in one day at Mawsynram, India on August 19, 2015, one of the highest recent daily totals for that location

But the absolute highest daily rainfall record remains the 1,825 mm in 24 hours at Réunion in 1966