AFOS product CLIDSM
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CDUS43 KDMX 180632
CLIDSM

CLIMATE REPORT 
NATIONAL WEATHER SERVICE DES MOINES IA
132 AM CDT THU SEP 18 2025

...................................

...THE DES MOINES IA CLIMATE SUMMARY FOR SEPTEMBER 17 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         81   1220 PM  95    1925  77      4       89       
  MINIMUM         65   1159 PM  37    1901  55     10       67       
  AVERAGE         73                        66      7       78     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.54          1.52 1919   0.11   0.43     0.00     
  MONTH TO DATE    1.04                      1.88  -0.84      T       
  SINCE SEP 1      1.04                      1.88  -0.84      T       
  SINCE JAN 1     29.86                     28.98   0.88    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                        29      0        4        
  SINCE SEP 1     29                        29      0        4        
  SINCE JUL 1     37                        34      3        4        

 COOLING                                                              
  YESTERDAY        8                         4      4       13        
  MONTH TO DATE  107                        87     20      109        
  SINCE SEP 1    107                        87     20      109        
  SINCE JAN 1   1135                      1022    113     1189        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NE (30)        
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     N (20)        
  AVERAGE WIND SPEED     5.8                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.8                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  THUNDERSTORM                                                        
  HEAVY RAIN                                                          
  RAIN                                                                
  LIGHT RAIN                                                          
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           500 PM                                      
 LOWEST     58          1200 PM                                      
 AVERAGE    76                                                        

..........................................................


THE DES MOINES IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   76        94      1895                      
 MINIMUM TEMPERATURE (F)   55        36      1901                      
                                             1916                     


SUNRISE AND SUNSET                                                    
SEPTEMBER 18 2025.....SUNRISE   658 AM CDT   SUNSET   718 PM CDT     
SEPTEMBER 19 2025.....SUNRISE   659 AM CDT   SUNSET   716 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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