000 SXUS73 KLOT 280643 AAA RERORD RECORD EVENT REPORT NATIONAL WEATHER SERVICE CHICAGO IL 1242 AM CST WED FEB 28 2024 ...RECORD WARM LOT TEMPERATURE SET AT CHICAGO-OHARE... A RECORD WARM LOW TEMPERATURE OF 52 WAS SET AT CHICAGO-OHARE YESTERDAY. THIS BREAKS THE OLD RECORD OF 42 SET IN 1896. $$