753  
CDUS43 KDMX 180643  
CLIAMW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1243 AM CST THU DEC 18 2025  
   
...............................  
 
   
..THE AMES IA CLIMATE SUMMARY FOR DECEMBER 17 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 41 1213 AM 33 8 32  
MINIMUM 26 824 AM 16 10 27  
AVERAGE 34 25 9 30  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.03 -0.03  
MONTH TO DATE 0.54 0.63 -0.09  
SINCE JAN 1 44.26 35.49 8.77  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 40 -9 35  
MONTH TO DATE 792 640 152 642  
SINCE DEC 1 792 640 152 642  
SINCE JUL 1 1885 2069 -184 1644  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1003 786 217 932    
...................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 8.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 500 AM  
LOWEST 70 100 PM  
AVERAGE 81  
   
......................................................  
 
THE AMES IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 MM MM  
MINIMUM TEMPERATURE (F) 16 MM MM  
 
SUNRISE AND SUNSET  
DECEMBER 18 2025......SUNRISE 738 AM CST SUNSET 445 PM CST  
DECEMBER 19 2025......SUNRISE 738 AM CST SUNSET 445 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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