SXUS73 KDMX 071420 RERALO RECORD EVENT REPORT NATIONAL WEATHER SERVICE DES MOINES IA 919 AM CDT SAT OCT 07 2017 ...RECORD DAILY MAXIMUM RAINFALL SET AT WATERLOO... A RECORD RAINFALL OF 1.49 INCHES WAS SET AT WATERLOO IOWA YESTERDAY. THIS BREAKS THE OLD RECORD OF 0.74 SET IN 1974. $$