SXUS73 KDMX 150715 RERDMX RECORD EVENT REPORT NATIONAL WEATHER SERVICE DES MOINES IA 214 AM CDT FRI MAY 15 2020 ...RECORD DAILY RAINFALL SET AT OTTUMWA ON THURSDAY MAY 14TH... THE OTTUMWA AIRPORT RECEIVED 4.43 INCHES OF RAINFALL ON THURSDAY MAY 14TH. THIS BREAKS THE DAILY RECORD OF 1.90 INCHES SET IN 1945. IT ALSO TIES FOR THE MOST RAIN ON A GIVEN DAY IN MAY FOR OTTUMWA WITH THE OTHER DAY BEING MAY 2ND, 1993. $$