SXUS73 KDMX 220618 RERDMX RECORD EVENT REPORT NATIONAL WEATHER SERVICE DES MOINES IA 118 AM CDT SUN SEP 22 2024 ...RECORD HIGH TEMPERATURE TIED AT MASON CITY FOR SUNDAY SEPTEMBER 22... A DAILY RECORD HIGH TEMPERATURE OF 93 DEGREES WAS TIED AT MASON CITY, IOWA FOR SUNDAY SEPTEMBER 22. THIS TIES THE PREVIOUS RECORD OF 93 DEGREES WHICH OCCURRED IN 1937. && 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. $$