290  
CDUS43 KLOT 140632  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT TUE AUG 14 2018  
 
   
...............................
 
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 13 2018...  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1997 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 89 231 PM 91 2010 83 6 76  
MINIMUM 60 511 AM 50 2004 62 -2 53  
AVERAGE 75 72 3 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.86 0.15 -0.15 0.00  
MONTH TO DATE 1.55 2.05 -0.50 1.16  
SINCE JUN 1 8.00 10.06 -2.06 8.45  
SINCE JAN 1 20.44 23.08 -2.64 25.80  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 3  
SINCE JUN 1 10 38 -28 21  
SINCE JUL 1 0 2 -2 4  
 
COOLING  
YESTERDAY 10 8 2 0  
MONTH TO DATE 132 104 28 46  
SINCE JUN 1 588 560 28 447  
SINCE JAN 1 702 606 96 470    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 2.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
   
......................................................
 
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 88 2015  
2009  
MINIMUM TEMPERATURE (F) 62 46 2004  
 
 
SUNRISE AND SUNSET  
AUGUST 14 2018........SUNRISE 600 AM CDT SUNSET 755 PM CDT  
AUGUST 15 2018........SUNRISE 601 AM CDT SUNSET 753 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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