968  
CDUS43 KDMX 170634  
CLIDSM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
134 AM CDT THU SEP 17 2026  
   
...............................  
 
   
..THE DES MOINES IA CLIMATE SUMMARY FOR SEPTEMBER 16 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1878 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 68 1159 PM 97 1931 77 -9 90  
MINIMUM 61 627 AM 38 1984 55 6 68  
AVERAGE 65 66 -1 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 4.87 1914 0.10 -0.04 T  
MONTH TO DATE 10.60 1.77 8.83 0.50  
SINCE SEP 1 10.60 1.77 8.83 0.50  
SINCE JAN 1 42.68 28.87 13.81 29.32  
 
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 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 5 26 -21 29  
SINCE SEP 1 5 26 -21 29  
SINCE JUL 1 5 31 -26 37  
 
COOLING  
YESTERDAY 0 4 -4 14  
MONTH TO DATE 171 83 88 99  
SINCE SEP 1 171 83 88 99  
SINCE JAN 1 1289 1018 271 1127    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 8.0  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 900 PM  
LOWEST 78 400 AM  
AVERAGE 89  
   
......................................................  
 
THE DES MOINES IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 95 1925  
MINIMUM TEMPERATURE (F) 55 37 1901  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2026.....SUNRISE 657 AM CDT SUNSET 720 PM CDT  
SEPTEMBER 18 2026.....SUNRISE 658 AM CDT SUNSET 718 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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