084  
CDUS43 KLOT 150632  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT SUN JUL 15 2012  
 
   
...............................
 
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JULY 14 2012...  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1997 TO 2012  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 88 255 PM 91 86 2 MM  
MINIMUM 71 1032 PM 52 63 8 MM  
AVERAGE 80 74 6 MM  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00 0.15 -0.15 MM  
MONTH TO DATE 1.72 1.46 0.26 MM  
SINCE JAN 1 10.80 18.37 -7.57 MM  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 MM  
MONTH TO DATE 0 0 0 MM  
SINCE JUN 1 27 36 -9 MM  
SINCE JUL 1 0 0 0 MM  
 
COOLING  
YESTERDAY 15 9 6 MM  
MONTH TO DATE 215 126 89 MM  
SINCE JUN 1 436 304 132 MM  
SINCE JAN 1 568 350 218 MM    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 6.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
FOG  
HAZE  
 
   
......................................................
 
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 94 2006  
MINIMUM TEMPERATURE (F) 63 55 2007  
 
 
SUNRISE AND SUNSET  
JULY 15 2012..........SUNRISE 531 AM CDT SUNSET 826 PM CDT  
JULY 16 2012..........SUNRISE 532 AM CDT SUNSET 826 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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