765 
CDUS43 KLOT 180634
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL                                  
132 AM CDT FRI SEP 18 2015


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1997 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         85R   121 PM  84    2008  75     10       73       
  MINIMUM         61    303 AM  40    1999  52      9       42       
  AVERAGE         73                        64      9       58      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.44R         0.34        0.09   0.35     0.00    
  MONTH TO DATE    2.30                      1.84   0.46     1.88    
  SINCE SEP 1      2.30                      1.84   0.46     1.88    
  SINCE JAN 1     27.71                     27.47   0.24    24.50    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         3     -3        7       
  MONTH TO DATE   21                        30     -9       84       
  SINCE SEP 1     21                        30     -9       84       
  SINCE JUL 1     54                        39     15       93       
                                                                     
 COOLING                                                             
  YESTERDAY        8                         2      6        0       
  MONTH TO DATE  123                        61     62       61       
  SINCE SEP 1    123                        61     62       61       
  SINCE JAN 1    695                       785    -90      750       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION   S (180)      
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED    10.7                                         


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


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

                                                                     
THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   75        88      2007                    
 MINIMUM TEMPERATURE (F)   52        41      2012                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 18 2015.....SUNRISE   636 AM CDT   SUNSET   658 PM CDT   
SEPTEMBER 19 2015.....SUNRISE   637 AM CDT   SUNSET   656 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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