543  
CDUS43 KDMX 280633  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
133 AM CDT MON JUL 28 2025  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR JULY 27 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 89 459 PM 102 1916 85 4 87  
MINIMUM 68 349 AM 45 1971 64 4 69  
AVERAGE 79 74 5 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.31 1990 0.12 -0.12 0.00  
MONTH TO DATE 7.50 3.82 3.68 4.84  
SINCE JUN 1 14.04 9.54 4.50 12.08  
SINCE JAN 1 25.08 22.41 2.67 31.32  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE JUN 1 6 18 -12 1  
SINCE JUL 1 0 0 0 1  
 
COOLING  
YESTERDAY 14 9 5 13  
MONTH TO DATE 281 267 14 219  
SINCE JUN 1 531 479 52 476  
SINCE JAN 1 577 551 26 512    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 4.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 61 100 PM  
AVERAGE 81  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 103 1916  
MINIMUM TEMPERATURE (F) 64 45 1925  
 
SUNRISE AND SUNSET  
JULY 28 2025..........SUNRISE 558 AM CDT SUNSET 834 PM CDT  
JULY 29 2025..........SUNRISE 559 AM CDT SUNSET 833 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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