499 SXUS73 KDMX 030620 CCA RERDSM RECORD EVENT REPORT NATIONAL WEATHER SERVICE DES MOINES IA 118 AM CDT SAT SEP 3 2011 ...RECORD HIGH MINIMUM TEMPERATURE TIED IN DES MOINES... THE LOW TEMPERATURE AT THE DES MOINES AIRPORT ON THE 2ND WAS 74 DEGREES. THAT TIED WITH 74 IN 1913 FOR THE WARMEST OVERNIGHT LOW TEMPERATURE ON RECORD FOR THE 2ND OF SEPTEMBER. $$ MS SEP 11