SXUS73 KDMX 060633 RERALO RECORD EVENT REPORT NATIONAL WEATHER SERVICE DES MOINES IA 132 AM CDT WED SEP 6 2023 ...RECORD WARM LOW TEMPERATURE SET AT WATERLOO FOR TUESDAY SEPTEMBER 05... A DAILY RECORD WARM LOW TEMPERATURE OF 73 DEGREES WAS SET AT WATERLOO, IOWA FOR TUESDAY SEPTEMBER 05. THIS BREAKS THE PREVIOUS RECORD OF 71 DEGREES WHICH OCCURRED IN 2015. && WEATHER RECORDS FOR THE WATERLOO AREA HAVE BEEN TAKEN FROM TWO GENERAL LOCATIONS. THE FIRST AREA WAS IN THE VICINITY OF DOWNTOWN WATERLOO WITH INITIAL RECORDS BEGINNING ON JANUARY 21, 1895 AT A BUILDING ON THE 600 BLOCK OF MULBERRY STREET. IN APRIL 1911, THE OBSERVATION LOCATION MOVED TO THE 300 BLOCK OF HIGH STREET WITH THE FINAL MOVE TO THE 700 BLOCK OF FAIRVIEW AVENUE IN JUNE OF 1914 WHERE OBSERVATIONS CONTINUED UNTIL FEBRUARY 28, 1950. OFFICIAL OBSERVATIONS THEN MOVED TO THE WATERLOO AIRPORT ON MARCH 1, 1950 AND REMAINED THERE UNTIL PRESENT. TEMPERATURE, PRECIPITATION AND SNOWFALL RECORDS ALL BEGAN ON JANUARY 21, 1895. $$