SXUS73 KDMX 090648 RERDMX RECORD EVENT REPORT NATIONAL WEATHER SERVICE DES MOINES IA 148 AM CDT MON APR 9 2018 ...RECORD DAILY SNOWFALL BROKEN AT MASON CITY... THE SNOWFALL AT MASON CITY ON SUNDAY MEASURED 6.8 INCHES. THIS BREAKS THE OLD RECORD OF 5.5 INCHES FOR THIS DATE SET BACK IN 1896. $$ CC