CDUS43 KILX 180632
CLIDEC

CLIMATE REPORT 
NATIONAL WEATHER SERVICE LINCOLN IL
132 AM CDT MON MAY 18 2026

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

...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR MAY 17 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 2000 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         82    500 PM  MM      MM  75      7       74   
  MINIMUM         MM        MM  MM      MM  54     MM       58    
  AVERAGE         MM                        64     MM       66       

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00         MM      MM   0.14  -0.14     0.00     
  MONTH TO DATE    1.64                      2.48  -0.84     2.21     
  SINCE MAR 1     15.06                      8.65   6.41     8.50     
  SINCE JAN 1     15.87                     12.48   3.39     9.07     

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       MM                         4     MM        0        
  MONTH TO DATE  125                        92     33       55        
  SINCE MAR 1    840                      1173   -333      840        
  SINCE JUL 1   4904                      5346   -442     4692        

 COOLING                                                              
  YESTERDAY       MM                         3     MM        1        
  MONTH TO DATE    0                        33    -33       42        
  SINCE MAR 1     58                        49      9       61        
  SINCE JAN 1     58                        49      9       61        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     S (190)       
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     S (190)       
  AVERAGE WIND SPEED    18.5                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.1                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           600 AM                                      
 LOWEST     60           700 PM                                      
 AVERAGE    77                                                        

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THE DECATUR IL AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   75        MM        MM                      
 MINIMUM TEMPERATURE (F)   54        MM        MM                      


SUNRISE AND SUNSET                                                    
MAY 18 2026...........SUNRISE   538 AM CDT   SUNSET   806 PM CDT     
MAY 19 2026...........SUNRISE   537 AM CDT   SUNSET   807 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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