April delivered an average of 5.82 inches of precipitation to the Great Miami River Watershed — that is 1.55 inches above the monthly average. Floodwaters were stored by the flood protection system during April 2 - 7 and April 11 - 15. As of April 30, the Great Miami River Watershed received a total of 15.72 inches of precipitation in 2024 which is 2.62 inches above average for this point in the calendar year.