738  
CDUS43 KLOT 210647  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
146 AM CDT SAT SEP 21 2019  
 
   
...............................
 
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 2019...  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1997 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 86 208 PM 93 2018 74 12 93  
MINIMUM 66 500 AM 40 2003 51 15 65  
AVERAGE 76 63 13 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.77 0.11 -0.11 0.00  
MONTH TO DATE 2.38 2.15 0.23 2.43  
SINCE SEP 1 2.38 2.15 0.23 2.43  
SINCE JAN 1 29.63 27.78 1.85 25.80  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 2 42 -40 5  
SINCE SEP 1 2 42 -40 5  
SINCE JUL 1 3 51 -48 6  
 
COOLING  
YESTERDAY 11 2 9 14  
MONTH TO DATE 125 67 58 141  
SINCE SEP 1 125 67 58 141  
SINCE JAN 1 944 791 153 995    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 3.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
   
......................................................
 
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 92 2017  
MINIMUM TEMPERATURE (F) 51 40 2006  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2019.....SUNRISE 639 AM CDT SUNSET 652 PM CDT  
SEPTEMBER 22 2019.....SUNRISE 640 AM CDT SUNSET 651 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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