537 
CDUS43 KLOT 200646
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL                                  
1242 AM CST FRI DEC 20 2019


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR DECEMBER 19 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1997 TO 2019


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         36    322 PM  53    2002  34      2       48       
  MINIMUM         14    146 AM -15    2016  18     -4       28       
  AVERAGE         25                        26     -1       38      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.41        0.06  -0.06     0.00    
  MONTH TO DATE    0.07                      1.15  -1.08     1.06    
  SINCE DEC 1      0.07                      1.15  -1.08     1.06    
  SINCE JAN 1     41.93                     36.34   5.59    33.63    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       40                        39      1       27       
  MONTH TO DATE  685                       686     -1      661       
  SINCE DEC 1    685                       686     -1      661       
  SINCE JUL 1   2061                      1940    121     2176       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1   1003                       814    189     1032       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION   S (200)      
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED     9.1                                         


                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                


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

                                                                     
THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   34        50      2015                    
 MINIMUM TEMPERATURE (F)   18        -9      2000                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 20 2019......SUNRISE   717 AM CST   SUNSET   424 PM CST   
DECEMBER 21 2019......SUNRISE   717 AM CST   SUNSET   425 PM CST   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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