313  
CDUS43 KDMX 080632  
CLIMIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
132 AM CDT MON SEP 08 2025  
   
...............................
 
 
   
..THE MARSHALLTOWN IA CLIMATE SUMMARY FOR SEPTEMBER 7 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 70 MM 78 -8 70  
MINIMUM 38 MM 54 -16 43  
AVERAGE 54 66 -12 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.11 -0.11  
MONTH TO DATE 0.04 0.80 -0.76  
SINCE JAN 1 28.52 25.16 3.36  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 2 9 8  
MONTH TO DATE 51 14 37 16  
SINCE SEP 1 51 14 37 16  
SINCE JUL 1 69 38 31 25  
 
COOLING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 1 25 -24 3  
SINCE SEP 1 1 25 -24 3  
SINCE JAN 1 747 672 75 754    
...................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 4.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 400 AM  
LOWEST 34 500 PM  
AVERAGE 66  
   
......................................................
 
 
THE MARSHALLTOWN IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 MM MM  
MINIMUM TEMPERATURE (F) 53 MM MM  
 
SUNRISE AND SUNSET  
SEPTEMBER 8 2025.....SUNRISE 645 AM CDT SUNSET 733 PM CDT  
SEPTEMBER 9 2025.....SUNRISE 646 AM CDT SUNSET 731 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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