SXUS73 KDMX 071312 RERALO RECORD EVENT REPORT NATIONAL WEATHER SERVICE DES MOINES IA 0810 AM CDT SUN OCT 7 2012 ...RECORD LOW TIED AT WATERLOO... THE LOW TEMPERATURE THIS MORNING AT WATERLOO FELL TO 24 DEGREES. THIS TIES THE PREVIOUS RECORD LOW FOR THIS DATE SET BACK IN 1988. $$ KD