Image caption
Ranking of the 50 wettest 4-day periods on record at Houston's Hobby Airport. The top four wettest 4-day periods all involve rainfall related to Hurricane Harvey. From August 26-29, 35.6 inches of rain at Houston's Hobby Airport setting the record for wettest 4-day period. It was nearly double the previous pre-Harvey record for 4-day rainfall. NOAA Climate.gov image using data the National Centers for Environmental Information.