496 SXUS73 KFSD 310642 RERSUX RECORD EVENT REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 1242 AM CST FRI DEC 31 2004 ...NEW RECORD HIGH MINIMUM TEMPERATURE SET AT SIOUX CITY IOWA... THE DAILY MINUMIM TEMPERATURE OF 38 DEGREES FOR DECEMBER 30 2004 ESTABLISHES A NEW RECORD FOR SIOUX CITY IOWA ON THAT DATE. THE PREVIOUS RECORD WAS 35 DEGREES SET IN 1931. $$ DEM