SXUS73 KFSD 180155 RERSUX RECORD EVENT REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 855 PM CDT FRI AUG 17 2012 ...RECORD LOW TEMPERATURE TIED AT SPENCER IOWA...... THE LOW TEMPERATURE FROM OUR COOPERATIVE OBSERVER IN SPENCER IOWA WAS 43 DEGREES THIS MORNING. THIS TIES THE RECORD LOW FOR AUGUST 17TH...WHICH WAS PREVIOUSLY SET IN 1897 AND AGAIN IN 1943. $$