569  
CDUS43 KDMX 170632  
CLIMIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
132 AM CDT SUN AUG 17 2025  
   
...............................
 
 
   
..THE MARSHALLTOWN IA CLIMATE SUMMARY FOR AUGUST 16 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 9999 TO 9999  
 
WEATHER ITEM OBSERVED TIME NORMAL DEPARTURE LAST  
VALUE (LST) VALUE FROM YEAR  
NORMAL    
...................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 92 325 PM 81 11 83  
MINIMUM 70 305 AM 60 10 64  
AVERAGE 81 70 11 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.13 -0.13  
MONTH TO DATE 2.37 1.97 0.40  
SINCE JAN 1 27.85 22.45 5.40  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 0 1 6  
SINCE JUN 1 9 33 -24 9  
SINCE JUL 1 1 7 -6 8  
 
COOLING  
YESTERDAY 16 6 10 9  
MONTH TO DATE 115 106 9 102  
SINCE JUN 1 642 519 123 586  
SINCE JAN 1 667 573 94 625    
...................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 9.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 1100 PM  
LOWEST 64 100 PM  
AVERAGE 79  
   
......................................................
 
 
THE MARSHALLTOWN IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 MM MM  
MINIMUM TEMPERATURE (F) 60 MM MM  
 
SUNRISE AND SUNSET  
AUGUST 17 2025........SUNRISE 622 AM CDT SUNSET 809 PM CDT  
AUGUST 18 2025........SUNRISE 623 AM CDT SUNSET 807 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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