SXUS73 KDMX 290637 RERALO RECORD EVENT REPORT NATIONAL WEATHER SERVICE DES MOINES IA 1231 AM CST SUN DEC 29 2019 ...RECORD DAILY MAXIMUM RAINFALL TIED AT WATERLOO ON SATURDAY... A RECORD RAINFALL OF 0.71 INCHES WAS TIED AT WATERLOO IA SATURDAY. THIS TIES THE OLD RECORD OF 0.71 INCHES SET IN 2015. $$