SXUS73 KDMX 100631 RERDMX RECORD EVENT REPORT NATIONAL WEATHER SERVICE DES MOINES IA 131 AM CDT MON JUL 10 2023 ...RECORD LOW TEMPERATURE TIED AT MASON CITY FOR SUNDAY JULY 09... A DAILY RECORD LOW TEMPERATURE OF 48 DEGREES WAS TIED AT MASON CITY, IOWA FOR SUNDAY JULY 09. THIS TIES THE PREVIOUS RECORD OF 48 DEGREES WHICH OCCURRED IN 1931. && 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. $$ ANSORGE