SXUS73 KFSD 170654 RERFSD RECORD EVENT REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 1254 AM CST SAT DEC 17 2016 ...RECORD DAILY MAXIMUM SNOWFALL SET AT SIOUX FALLS SD... A RECORD SNOWFALL OF 6.2 INCHES WAS SET AT SIOUX FALLS SD YESTERDAY...DECEMBER 16 2016. THIS BREAKS THE OLD RECORD OF 4.5 INCHES SET IN 1915. $$