991  
SXUS73 KDMX 220717  
RERALO  
RECORD EVENT REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
217 AM CDT SUN JUN 22 2025  
 
...RECORD WARM LOW TEMPERATURE SET AT WATERLOO FOR SATURDAY JUNE 21...  
 
 
A DAILY RECORD WARM LOW TEMPERATURE OF 77 DEGREES WAS SET AT  
WATERLOO, IOWA FOR SATURDAY JUNE 21. THIS BREAKS THE PREVIOUS RECORD  
OF 76 DEGREES WHICH OCCURRED IN 1988.  
 

 
 
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.  
 

 
 
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