SXUS73 KLSX 210850 RERUIN RECORD EVENT REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 0248 AM CST FRI FEB 21 2025 ...RECORD LOW MAXIMUM TEMPERATURE SET AT QUINCY ASOS... A RECORD LOW MAXIMUM TEMPERATURE OF 18 DEGREES WAS SET AT QUINCY ASOS YESTERDAY. THIS BREAKS THE OLD RECORD OF 21 DEGREES SET IN 2013. $$