SXUS73 KFSD 090946 RERFSD RECORD EVENT REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 446 AM CDT THU JUL 9 2020 ...RECORD HIGH MINIMUM TEMPERATURE TIED AT SIOUX FALLS SD ON JULY 8... THE LOWEST TEMPERATURE ON JULY 8 AT SIOUX FALLS, SD WAS MEASURED AT 76 DEGREES. THIS TIES THE PREVIOUS RECORD HIGH MINIMUM TEMPERATURE FOR THE DATE, ESTABLISHED IN 1936. $$