189  
CDUS43 KDMX 160627  
CLIDSM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
127 AM CDT TUE SEP 16 2025  
   
...............................  
 
   
..THE DES MOINES IA CLIMATE SUMMARY FOR SEPTEMBER 15 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 90 335 PM 97 1927 77 13 89  
MINIMUM 71 403 AM 37 2007 56 15 68  
AVERAGE 81 67 14 79  
 
PRECIPITATION (IN)  
YESTERDAY T 1.67 1921 0.10 -0.10 0.00  
MONTH TO DATE 0.50 1.67 -1.17 T  
SINCE SEP 1 0.50 1.67 -1.17 T  
SINCE JAN 1 29.32 28.77 0.55 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 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 3 -3 0  
MONTH TO DATE 29 23 6 4  
SINCE SEP 1 29 23 6 4  
SINCE JUL 1 37 28 9 4  
 
COOLING  
YESTERDAY 16 4 12 14  
MONTH TO DATE 85 79 6 84  
SINCE SEP 1 85 79 6 84  
SINCE JAN 1 1113 1014 99 1164    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 400 AM  
LOWEST 42 200 PM  
AVERAGE 62  
   
......................................................  
 
THE DES MOINES IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 97 1931  
MINIMUM TEMPERATURE (F) 55 38 1984  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2025.....SUNRISE 656 AM CDT SUNSET 722 PM CDT  
SEPTEMBER 17 2025.....SUNRISE 657 AM CDT SUNSET 720 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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