928  
CDUS43 KDMX 150629  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
129 AM CDT FRI AUG 15 2025  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR AUGUST 14 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 79 426 PM 101 1988 83 -4 74  
MINIMUM 61 401 AM 39 1964 62 -1 60  
2004  
AVERAGE 70 72 -2 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 3.80 1945 0.14 -0.13 0.33  
MONTH TO DATE 1.97 1.88 0.09 0.34  
SINCE JUN 1 18.50 11.94 6.56 12.97  
SINCE JAN 1 29.54 24.81 4.73 32.21  
 
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 3  
SINCE JUN 1 6 21 -15 4  
SINCE JUL 1 0 3 -3 4  
 
COOLING  
YESTERDAY 5 8 -3 2  
MONTH TO DATE 99 115 -16 94  
SINCE JUN 1 660 624 36 624  
SINCE JAN 1 706 696 10 660    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 6.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 300 AM  
LOWEST 60 1100 AM  
AVERAGE 79  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 104 1988  
MINIMUM TEMPERATURE (F) 61 42 1929  
2004  
 
SUNRISE AND SUNSET  
AUGUST 15 2025........SUNRISE 617 AM CDT SUNSET 810 PM CDT  
AUGUST 16 2025........SUNRISE 618 AM CDT SUNSET 809 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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