SXUS73 KFSD 161146 RERFSD RECORD EVENT REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 645 AM CDT FRI MAY 16 2014 ...RECORD LOW TEMPERATURE SET AT SIOUX FALLS SD... AT 533 AM CDT...THE TEMPERATURE AT JOE FOSS FIELD IN SIOUX FALLS SOUTH DAKOTA FELL TO 23 DEGREES. THIS SHATTERS THE PREVIOUS RECORD LOW FOR MAY 16...WHICH WAS 32 DEGREES SET IN 1929...85 YEARS AGO! MAY 16 IS NOW ALSO THE LATEST DATE IN THE SPRING SEASON ON WHICH THE TEMPERATURE HAS FALLEN TO 23 DEGREES OR COLDER. PREVIOUSLY...THE LATEST IN THE SEASON IT HAS BEEN THIS COLD WAS MAY 12 1946...WHEN THE TEMPERATURE REACHED 20 DEGREES. $$