SXUS73 KDMX 180634 RERALO RECORD EVENT REPORT NATIONAL WEATHER SERVICE DES MOINES IA 133 AM CDT TUE JUN 18 2024 ...RECORD WARM LOW TEMPERATURE SET AT WATERLOO FOR MONDAY JUNE 17... A DAILY RECORD WARM LOW TEMPERATURE OF 77 DEGREES WAS SET AT WATERLOO, IOWA FOR MONDAY JUNE 17. THIS BREAKS THE PREVIOUS RECORD OF 75 DEGREES WHICH OCCURRED IN 1946. && 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. $$