479  
CDUS43 KDMX 010802  
CLIDSM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
302 AM CDT MON SEP 01 2025  
   
...............................
 
 
   
..THE DES MOINES IA CLIMATE SUMMARY FOR AUGUST 31 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 76 MM 99 1913 81 -5 84  
MINIMUM 65 MM 45 1915 61 4 60  
1967  
AVERAGE 71 71 0 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 2.80 1977 0.13 -0.04 0.00  
MONTH TO DATE 1.96 4.17 -2.21 2.90  
SINCE JUN 1 16.99 13.25 3.74 16.02  
SINCE JAN 1 28.82 27.10 1.72 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 6 7 -1 7  
MONTH TO DATE 288 280 8 316  
SINCE JUN 1 974 852 122 983  
SINCE JAN 1 1028 935 93 1080    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 700 AM  
LOWEST 64 300 PM  
AVERAGE 81  
   
......................................................
 
 
THE DES MOINES IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 99 1913  
MINIMUM TEMPERATURE (F) 61 38 1949  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2025.....SUNRISE 641 AM CDT SUNSET 747 PM CDT  
SEPTEMBER 2 2025.....SUNRISE 642 AM CDT SUNSET 745 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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