SXUS73 KDMX 170707 RERDMX RECORD EVENT REPORT NATIONAL WEATHER SERVICE DES MOINES IA 107 AM CST SUN DEC 17 2023 ...RECORD WARM LOW TEMPERATURE SET AT MASON CITY FOR SATURDAY DECEMBER 16... A DAILY RECORD WARM LOW TEMPERATURE OF 35 DEGREES WAS SET AT MASON CITY, IOWA FOR SATURDAY DECEMBER 16. THIS BREAKS THE PREVIOUS RECORD OF 34 DEGREES WHICH OCCURRED IN 1977. && 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. $$