In Réunion, 2007, nearly 5 metres of rain fell in four days
This little French island near Madagascar holds four world records for rain:
Greatest 12-hour rainfall (1966): 1.14m
Greatest rainfall in a day (1966): 1.83m
Greatest rainfall in 3 days (2007): 3.93m
Greatest rainfall in 4 days (2007): 4.87m
https://en.wikipedia.org/wiki/List_of_weather_records
https://america.cgtn.com/2015/07/31/7-things-you-probably-dont-know-about-reunion-island