339  
CDUS43 KDMX 300629  
CLIAMW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
129 AM CDT TUE SEP 30 2025  
   
...............................
 
 
   
..THE AMES IA CLIMATE SUMMARY FOR SEPTEMBER 29 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 89 233 PM 71 18 87  
MINIMUM 55 639 AM 46 9 52  
AVERAGE 72 58 14 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.09 -0.09  
MONTH TO DATE 0.52 3.21 -2.69  
SINCE JAN 1 39.20 30.11 9.09  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 8 -8 0  
MONTH TO DATE 45 114 -69 34  
SINCE SEP 1 45 114 -69 34  
SINCE JUL 1 59 130 -71 38  
 
COOLING  
YESTERDAY 7 1 6 5  
MONTH TO DATE 125 72 53 110  
SINCE SEP 1 125 72 53 110  
SINCE JAN 1 952 774 178 912    
...................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 5.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 300 AM  
LOWEST 40 300 PM  
AVERAGE 70  
   
......................................................
 
 
THE AMES IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 MM MM  
MINIMUM TEMPERATURE (F) 45 MM MM  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2025.....SUNRISE 711 AM CDT SUNSET 657 PM CDT  
OCTOBER 1 2025.......SUNRISE 712 AM CDT SUNSET 655 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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