551  
CDUS43 KDMX 310639  
CLIDSM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
139 AM CDT SUN AUG 31 2025  
   
...............................
 
 
   
..THE DES MOINES IA CLIMATE SUMMARY FOR AUGUST 30 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 83 220 PM 104 2013 82 1 82  
MINIMUM 65 544 AM 42 1893 61 4 65  
AVERAGE 74 71 3 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.78 1983 0.14 -0.14 0.13  
MONTH TO DATE 1.87 4.04 -2.17 2.90  
SINCE JUN 1 16.90 13.12 3.78 16.02  
SINCE JAN 1 28.73 26.97 1.76 29.33  
 
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 8 0 8 0  
SINCE JUN 1 12 16 -4 1  
SINCE JUL 1 8 1 7 0  
 
COOLING  
YESTERDAY 9 7 2 9  
MONTH TO DATE 282 274 8 309  
SINCE JUN 1 968 846 122 976  
SINCE JAN 1 1022 929 93 1073    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 600 AM  
LOWEST 46 200 PM  
AVERAGE 68  
   
......................................................
 
 
THE DES MOINES IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 99 1913  
MINIMUM TEMPERATURE (F) 61 45 1915  
1967  
 
SUNRISE AND SUNSET  
AUGUST 31 2025........SUNRISE 640 AM CDT SUNSET 749 PM CDT  
SEPTEMBER 1 2025.....SUNRISE 641 AM CDT SUNSET 747 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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