CDUS43 KDMX 200637
CLIMIW

CLIMATE REPORT 
NATIONAL WEATHER SERVICE DES MOINES IA
137 AM CDT WED MAY 20 2026

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...THE MARSHALLTOWN IA CLIMATE SUMMARY FOR MAY 19 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 9999 TO 9999


WEATHER ITEM   OBSERVED TIME   NORMAL DEPARTURE LAST                  
                VALUE   (LST)  VALUE  FROM      YEAR                 
                                      NORMAL                       
.......................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         64    347 AM  72     -8       64                   
  MINIMUM         43   1159 PM  50     -7       48                   
  AVERAGE         54            61     -7       56                 

PRECIPITATION (IN)                                                    
  YESTERDAY        T             0.17  -0.17                          
  MONTH TO DATE    0.40          2.89  -2.49                          
  SINCE JAN 1      9.46          9.50  -0.04                          

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       11             6      5        9                    
  MONTH TO DATE  161           159      2      110                    
  SINCE MAR 1   1252          1573   -321     1242                    
  SINCE JUL 1   6229          6922   -693     6022                    

 COOLING                                                              
  YESTERDAY        0             2     -2        0                    
  MONTH TO DATE   14            17     -3       22                    
  SINCE MAR 1     28            22      6       24                    
  SINCE JAN 1     28            22      6       24                    
.......................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION    NW (320)       
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION    NW (310)       
  AVERAGE WIND SPEED    14.4                                        


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97          1200 AM                                      
 LOWEST     69           700 PM                                      
 AVERAGE    83                                                        

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THE MARSHALLTOWN IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   73        MM        MM                      
 MINIMUM TEMPERATURE (F)   51        MM        MM                      


SUNRISE AND SUNSET                                                    
MAY 20 2026...........SUNRISE   546 AM CDT   SUNSET   831 PM CDT     
MAY 21 2026...........SUNRISE   545 AM CDT   SUNSET   832 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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