995 
CDUS43 KLOT 072241
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL                                  
440 PM CST TUE FEB 7 2017


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR FEBRUARY 7 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1997 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE          
                VALUE   (LST)  VALUE       VALUE  FROM               
                                                  NORMAL             
...............................................................
TEMPERATURE (F)                                                     
 TODAY                                                               
  MAXIMUM         50   1229 PM  55    2009  34     16                
                                      1999                          
  MINIMUM         41    343 PM -12    2014  18     23                
  AVERAGE         46                        26     20               
                                                                     
PRECIPITATION (IN)                                                   
  TODAY            0.40          0.81 2013   0.04   0.36             
  MONTH TO DATE    0.40                      0.27   0.13             
  SINCE DEC 1      3.59                      3.30   0.29             
  SINCE JAN 1      2.45                      1.58   0.87             
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  TODAY           19                        39    -20                
  MONTH TO DATE  251                       279    -28                
  SINCE DEC 1   2657                      2740    -83                
  SINCE JUL 1   3568                      3994   -426                
                                                                     
 COOLING                                                             
  TODAY            0                         0      0                
  MONTH TO DATE    0                         0      0                
  SINCE DEC 1      0                         0      0                
  SINCE JAN 1      0                         0      0                
...............................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   W (270)      
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     8.5                                         


                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED TODAY.                            
  THUNDERSTORM                                                       
  HEAVY RAIN                                                         
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       


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

                                                                     
THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   34        48      2001                    
 MINIMUM TEMPERATURE (F)   18        -8      2007                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY  7 2017......SUNRISE   659 AM CST   SUNSET   516 PM CST   
FEBRUARY  8 2017......SUNRISE   657 AM CST   SUNSET   517 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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