939 SXUS73 KDMX 210711 RERDMX RECORD EVENT REPORT NATIONAL WEATHER SERVICE DES MOINES IA 112 AM CST THU DEC 21 2006 ...RECORD DAILY MAXIMUM RAINFALL SET AT WATERLOO... A RECORD RAINFALL OF 0.78 INCHES WAS SET AT WATERLOO YESTERDAY. THIS BREAKS THE OLD RECORD OF 0.6 SET IN 1952. ...RECORD DAILY MAXIMUM RAINFALL SET AT MASON CITY... A RECORD RAINFALL OF 0.45 INCHES WAS SET AT MASON CITY YESTERDAY. THIS BREAKS THE OLD RECORD OF 0.33 SET IN 1911. $$