SXUS73 KDMX 120602 RERDMX RECORD EVENT REPORT NATIONAL WEATHER SERVICE DES MOINES IA 1200 AM CST SAT JAN 12 2013 ...RECORD DAILY HIGH MINIMUM TEMPERATURES SET AT OTTUMWA AND MASON CITY... THE TEMPERATURE AT THE OTTUMWA AIRPORT ONLY DROPPED TO 39 DEGREES ON FRIDAY JANUARY 11...WHICH SETS A RECORD HIGH MINIMUM TEMPERATURE FOR THAT DATE. THE PREVIOUS RECORD HIGH MINIMUM TEMPERATURE FOR JANUARY 11 WAS 33 DEGREES SET IN 1947. THE TEMPERATURE AT THE MASON CITY AIRPORT ONLY DROPPED TO 33 DEGREES ON FRIDAY JANUARY 11...WHICH SETS A RECORD HIGH MINIMUM TEMPERATURE FOR THAT DATE. THE PREVIOUS RECORD HIGH MINIMUM TEMPERATURE FOR JANUARY 11 WAS 30 DEGREES SET IN 1928. $$ KS