CDUS43 KLOT 190649
CLIDPA

CLIMATE REPORT 
NATIONAL WEATHER SERVICE CHICAGO IL
149 AM CDT TUE MAY 19 2026

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

...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MAY 18 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         78   2:56 PM  89    1998  72      6       70        
  MINIMUM         65  11:59 PM  30    2002  49     16       44        
  AVERAGE         72                        61     11       57     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.33          0.41 2004   0.14   0.19     0.00     
  MONTH TO DATE    0.83                      2.60  -1.77     0.72     
  SINCE MAR 1     11.13                      8.01   3.12     5.62     
  SINCE JAN 1     12.38                     10.52   1.86     7.19     

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         6     -6        8        
  MONTH TO DATE  192                       153     39      116        
  SINCE MAR 1   1226                      1495   -269     1220        
  SINCE JUL 1   5868                      6272   -404     5541        

 COOLING                                                              
  YESTERDAY        7                         2      5        0        
  MONTH TO DATE   23                        16      7       27        
  SINCE MAR 1     35                        22     13       33        
  SINCE JAN 1     35                        22     13       33        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    SW (230)       
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION    SW (220)       
  AVERAGE WIND SPEED    13.1                                        


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96          10:00 AM                                      
 LOWEST     61           2:00 AM                                      
 AVERAGE    79                                                        

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


THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   72        91      2012                      
 MINIMUM TEMPERATURE (F)   50        37      2002                      
                                             2008                     


SUNRISE AND SUNSET                                                    
MAY 19 2026...........SUNRISE   5:29 AM CDT   SUNSET   8:11 PM CDT     
MAY 20 2026...........SUNRISE   5:28 AM CDT   SUNSET   8:12 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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