Greatest rainfall in 24 hours
Who
Unknown
What
1,870 millimetre(s)
Where
Reunion (Cilaos, Reunion)
When

A record 1,870 mm (73 in) of rain fell in 24 hours in Cilaos (altitude: 1,200 m; 3,940 ft), Reunion, Indian Ocean on 15–16 March 1952. This is equal to 7,554 tonnes of rain per acre.