SXUS73 KDMX 050618 RERDSM RECORD EVENT REPORT NATIONAL WEATHER SERVICE DES MOINES IA 118 AM CDT FRI SEP 5 2014 ...RECORD WARM LOW TEMPERATURE IN DES MOINES BROKEN YESTERDAY... THE LOW TEMPERATURE AT THE DES MOINES INTERNATIONAL AIRPORT YESTERDAY WAS 76 DEGREES. THIS IS THE WARMEST LOW TEMPERATURE EVER RECORDED FOR SEPTEMBER 4. THE PREVIOUS RECORD WAS 74...SET IN 1881. $$ MS SEP 14