233  
CDUS43 KDMX 300629  
CLIDSM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
129 AM CDT TUE SEP 30 2025  
   
...............................  
 
   
..THE DES MOINES IA CLIMATE SUMMARY FOR SEPTEMBER 29 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 87 341 PM 91 2023 72 15 86  
MINIMUM 64 621 AM 28 1899 50 14 57  
1984  
AVERAGE 76 61 15 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.38 1985 0.09 -0.09 0.00  
MONTH TO DATE 1.77 3.08 -1.31 0.60  
SINCE SEP 1 1.77 3.08 -1.31 0.60  
SINCE JAN 1 30.59 30.18 0.41 29.93  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1985 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 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 6 -6 0  
MONTH TO DATE 29 82 -53 9  
SINCE SEP 1 29 82 -53 9  
SINCE JUL 1 37 87 -50 9  
 
COOLING  
YESTERDAY 11 2 9 7  
MONTH TO DATE 171 118 53 188  
SINCE SEP 1 171 118 53 188  
SINCE JAN 1 1199 1053 146 1268    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 400 AM  
LOWEST 40 300 PM  
AVERAGE 59  
   
......................................................  
 
THE DES MOINES IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 92 1952  
2023  
MINIMUM TEMPERATURE (F) 50 26 1899  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2025.....SUNRISE 711 AM CDT SUNSET 657 PM CDT  
OCTOBER 1 2025.......SUNRISE 712 AM CDT SUNSET 656 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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