SXUS73 KFSD 082342 RERSUX RECORD EVENT REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 642 PM CDT TUE SEP 8 2020 ...RECORD LOW MAXIMUM TEMPERATURE SET AT SIOUX CITY IA... THE HIGH TEMPERATURE TODAY AT SIOUX GATEWAY AIRPORT IN SIOUX CITY WAS 51 DEGREES AT 440 AM THIS MORNING. READINGS NEVER RECOVERED WARMER THAN THIS DURING THE DAY...AFTER A MORNING LOW OF 44 AT 943 AM. THE HIGH OF ONLY 51 BROKE THE RECORD FOR THE COOLEST HIGH TEMPERATURE ON SEPTEMBER 8TH. THE PREVIOUS RECORD WAS 57 DEGREES... SET WAY BACK IN 1929. $$ TRM