SXUS73 KDMX 220657 RERALO RECORD EVENT REPORT NATIONAL WEATHER SERVICE DES MOINES IA 157 AM CDT WED MAY 22 2024 ...RECORD HIGH RAINFALL SET AT WATERLOO FOR TUESDAY MAY 21... A DAILY RECORD HIGH RAINFALL OF 2.79 INCHES WAS SET AT WATERLOO IOWA FOR TUESDAY MAY 21. THIS BREAKS THE PREVIOUS RECORD OF 1.49 INCHES WHICH OCCURRED IN 2004. && 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. $$ SMALL