349  
CDUS43 KDMX 280628  
CLIMIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
128 AM CDT THU AUG 28 2025  
   
...............................  
 
   
..THE MARSHALLTOWN IA CLIMATE SUMMARY FOR AUGUST 27 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 79 310 PM 80 -1 91  
MINIMUM 51 148 AM 57 -6 71  
AVERAGE 65 68 -3 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.12 -0.10  
MONTH TO DATE 2.99 3.38 -0.39  
SINCE JAN 1 28.47 23.86 4.61  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 18 9 9 7  
SINCE JUN 1 26 42 -16 10  
SINCE JUL 1 18 16 2 9  
 
COOLING  
YESTERDAY 0 4 -4 16  
MONTH TO DATE 176 163 13 189  
SINCE JUN 1 703 576 127 673  
SINCE JAN 1 728 630 98 712    
...................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 6.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 300 AM  
LOWEST 50 300 PM  
AVERAGE 72  
   
......................................................  
 
THE MARSHALLTOWN IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 MM MM  
MINIMUM TEMPERATURE (F) 57 MM MM  
 
SUNRISE AND SUNSET  
AUGUST 28 2025........SUNRISE 633 AM CDT SUNSET 751 PM CDT  
AUGUST 29 2025........SUNRISE 634 AM CDT SUNSET 750 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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