What is the most fain that fell on a city in a 24 hour time period?

The record for the most rainfall in a 24-hour period in a city is held by La Reunion, an island in the Indian ocean. In January 1966, it received an astonishing 1,825 mm (71.8 inches) of rain in just 24 hours. This event caused severe flooding and significant damage, showcasing the extreme weather conditions that can occur in certain regions.