113  
CDUS43 KDMX 180636  
CLIDSM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
136 AM CDT MON AUG 18 2025  
   
...............................
 
 
   
..THE DES MOINES IA CLIMATE SUMMARY FOR AUGUST 17 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1878 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 94 342 PM 104 1988 84 10 83  
MINIMUM 75 534 AM 47 1897 64 11 65  
AVERAGE 85 74 11 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.02 1902 0.14 -0.14 0.00  
MONTH TO DATE 1.66 2.29 -0.63 1.66  
SINCE JUN 1 16.69 11.37 5.32 14.78  
SINCE JAN 1 28.52 25.22 3.30 28.09  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 4 16 -12 1  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
YESTERDAY 20 9 11 9  
MONTH TO DATE 187 171 16 160  
SINCE JUN 1 873 743 130 827  
SINCE JAN 1 927 826 101 924    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 8.4  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 300 AM  
LOWEST 47 200 PM  
AVERAGE 68  
   
......................................................
 
 
THE DES MOINES IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 108 1936  
MINIMUM TEMPERATURE (F) 64 47 1897  
 
SUNRISE AND SUNSET  
AUGUST 18 2025........SUNRISE 627 AM CDT SUNSET 809 PM CDT  
AUGUST 19 2025........SUNRISE 628 AM CDT SUNSET 808 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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