344 
CDUS43 KLOT 220636
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL                                  
135 AM CDT FRI MAR 22 2013


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR MARCH 21 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1997 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         33    340 PM  83          50    -17       83       
  MINIMUM         12R   628 AM  15          30    -18       61       
  AVERAGE         23                        40    -17       72      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.80        0.09  -0.09     0.00    
  MONTH TO DATE    0.97                      1.52  -0.55     0.99    
  SINCE MAR 1      0.97                      1.52  -0.55     0.99    
  SINCE JAN 1      6.37                      4.25   2.12     3.11    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       42                        25     17        0       
  MONTH TO DATE  768                       605    163      299       
  SINCE MAR 1    768                       605    163      299       
  SINCE JUL 1   5496                      5360    136     3593       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        7       
  MONTH TO DATE    0                         0      0       24       
  SINCE MAR 1      0                         0      0       24       
  SINCE JAN 1      0                         0      0       24       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION  NW (310)      
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED     8.4                                         


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


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

                                                                     
THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   51        83      2012                    
 MINIMUM TEMPERATURE (F)   30        13      2002                    

                                                                     
SUNRISE AND SUNSET                                                   
MARCH 22 2013.........SUNRISE   653 AM CDT   SUNSET   708 PM CDT   
MARCH 23 2013.........SUNRISE   651 AM CDT   SUNSET   709 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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