652  
CDUS43 KLOT 092148  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
442 PM CDT THU AUG 9 2012  
   
...............................  
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 9 2012...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1997 TO 2012  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE  
VALUE (LST) VALUE VALUE FROM  
NORMAL    
...........................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 75 109 PM 94 2005 83 -8  
MINIMUM 63 1229 AM 49 1999 62 1  
AVERAGE 69 73 -4  
 
PRECIPITATION (IN)  
TODAY T 0.88 2008 0.15 -0.15  
MONTH TO DATE 0.55 1.47 -0.92  
SINCE JUN 1 4.19 9.48 -5.29  
SINCE JAN 1 12.56 22.50 -9.94  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0  
MONTH TO DATE 0 0 0  
SINCE JUN 1 27 38 -11  
SINCE JUL 1 0 2 -2  
 
COOLING  
TODAY 4 8 -4  
MONTH TO DATE 91 72 19  
SINCE JUN 1 761 528 233  
SINCE JAN 1 893 574 319    
...........................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NE (50)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 4.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
   
......................................................  
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 89 2010  
2005  
MINIMUM TEMPERATURE (F) 62 54 2008  
 
 
SUNRISE AND SUNSET  
AUGUST 9 2012........SUNRISE 555 AM CDT SUNSET 801 PM CDT  
AUGUST 10 2012........SUNRISE 556 AM CDT SUNSET 759 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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