On February 15, 2022, the city of Petrópolis received an unusually high amount of rain within three hours, 258 millimetres (10.2 in). This was more than the prior 30 days combined, and the worst the city had seen since 1932.[1][2] According to Cemaden, of the rain recorded during that day, 250 mm was recorded between 4:20pm and 7:20pm.