979 SXUS99 KDSM 021226 RERDSM RECORD EVENT REPORT NATIONAL WEATHER SERVICE DES MOINES IA 725 AM CDT THU OCT 2 2003 ...RECORD LOW TEMPERATURES TUMBLE ACROSS IOWA... COLD CANADIAN HIGH PRESSURE ALONG WITH LIGHT WINDS HAS ALLOWED TEMPERATURES TO DROP TO RECORD LEVELS OVER PARTS OF IOWA. THE FOLLOWING ARE NEW RECORD LOWS FOR THIS DATE. CITY NEW RECORD/TIME PREVIOUS RECORD/DATE MASON CITY 16 AT 528 AM 21 IN 1974 WATERLOO 19 AT 524 AM 21 IN 1974 OTTUMWA 22 AT 457 AM 28 IN 1974 $$ BARLOW/DMX/29