262 SXUS73 KDMX 041512 RERDMX RECORD EVENT REPORT...UPDATED NATIONAL WEATHER SERVICE DES MOINES IA 1012 AM CDT TUE OCT 4 2005 ...RECORD WARMEST MINIMUM TEMPERATURES SET ON MONDAY THE 3RD... WARM AND HUMID AIR MASS WAS IN PLACE OVER IOWA COMBINED WITH VERY WARM SOUTHERLY FLOW KEEPING OVERNIGHT TEMPERATURES SOME 20 PLUS DEGREES ABOVE NORMAL FOR THIS TIME OF YEAR. THIS IS ALSO THE LATEST WARMEST MINIMUM TEMPERATURES ACROSS CENTRAL IOWA ON RECORD. CITY NEW RECORD HIGH MINIMUM PREVIOUS RECORD DES MOINES 73 69 SET BACK IN 1889 MASON CITY 69 60 SET BACK IN 1903 WATERLOO 70 66 SET BACK IN 1900 OTTUMWA 70 67 SET BACK IN 1997 & 1900 $$ ST