072 SXUS73 KDMX 200629 RERDMX RECORD EVENT REPORT NATIONAL WEATHER SERVICE DES MOINES IA 129 AM CDT MON AUG 20 2007 ...RECORD DAILY MAXIMUM RAINFALL SET AT WATERLOO... A RECORD RAINFALL OF 4.79 INCHES WAS SET AT MASON CITY YESTERDAY. THIS BREAKS THE OLD RECORD OF 3.80 SET IN 1926. $$