685  
CXUS53 KDMX 011404  
CLMDSM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
904 AM CDT WED OCT 01 2025  
   
...............................
 
 
...THE DES MOINES IA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1878 TO 2025  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE  
NORMAL    
..........................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 101 09/09/2013  
09/07/1939  
09/03/1939  
LOW 26 09/28/1942  
09/30/1899  
HIGHEST 96 09/13 91 5  
LOWEST 43 09/07 38 5  
MEAN 69.8 66.2 3.6  
DAYS MAX >= 90 4 2.3 1.7  
DAYS MAX <= 32 0 0.0 0.0  
DAYS MIN <= 32 0 0.0 0.0  
DAYS MIN <= 0 0 0.0 0.0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 14.81 1914  
MINIMUM 0.15 1882  
TOTALS 1.76 3.18 -1.42  
DAILY AVG. 0.06 0.11 -0.05  
DAYS >= .01 7  
DAYS >= .10 4  
DAYS >= .50 2  
DAYS >= 1.00 0  
 
SNOWFALL (INCHES)  
TOTALS 0.0 0.0 0.0  
SINCE 7/1 0.0 0.0 0.0  
 
DEGREE DAYS  
HEATING TOTAL 29 86 -57  
SINCE 7/1 37 93 -56  
COOLING TOTAL 179 120 59  
SINCE 1/1 1207 1055 152    
..........................................................
 
 
WIND (MPH)  
HIGHEST GUST SPEED/DIRECTION 44/030 DATE 09/22  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 6 HAIL 0  
SLEET 0 FOG 10  
FOG W/VIS <= 1/4 MILE 1 HAZE 4  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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