953 SXUS73 KDMX 130657 RERALO RECORD EVENT REPORT NATIONAL WEATHER SERVICE DES MOINES IA 157 AM CDT THU MAY 13 2010 ...RECORD DAILY MAXIMUM RAINFALL SET AT WATERLOO... A RECORD RAINFALL OF 2.40 INCHES WAS SET AT WATERLOO YESTERDAY. THIS BREAKS THE OLD RECORD OF 1.21 SET IN 1964. $$