SXUS73 KDMX 140635 RERDMX RECORD EVENT REPORT NATIONAL WEATHER SERVICE DES MOINES IA 135 AM CDT THU MAR 14 2024 ...RECORD HIGH TEMPERATURE SET AT MASON CITY FOR WEDNESDAY MARCH 13... A DAILY RECORD HIGH TEMPERATURE OF 70 DEGREES WAS SET AT MASON CITY, IOWA FOR WEDNESDAY MARCH 13. THIS BREAKS THE PREVIOUS RECORD OF 69 DEGREES WHICH OCCURRED IN 2012. && WEATHER RECORDS FOR THE MASON CITY AREA HAVE BEEN TAKEN FROM TWO GENERAL LOCATIONS. INITIAL RECORDS WERE STARTED ON FEBRUARY 1, 1903 IN DOWNTOWN MASON CITY. THE REPORTING LOCATION REMAINED NEAR DOWNTOWN UNTIL AUGUST 1, 1918 WHEN THE SUGAR MANUFACTURING FACILITY NORTH OF TOWN TOOK OVER OBSERVATIONS. REPORTS CONTINUED AT THIS SITE UNTIL JANUARY 1, 1948 WHEN THE CURRENT OBSERVATION SITE AT THE MASON CITY AIRPORT BEGAN REPORTING. TEMPERATURE, PRECIPITATION AND SNOWFALL RECORDS ALL BEGAN ON FEBRUARY 1, 1903. $$