770  
CDUS43 KLOT 190635  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
135 AM CDT FRI OCT 19 2018  
 
   
...............................
 
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 18 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 57 343 PM 78 2007 62 -5 71  
MINIMUM 28 520 AM 27 2015 41 -13 43  
AVERAGE 43 52 -9 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.28 0.10 -0.10 0.00  
MONTH TO DATE 3.80 1.93 1.87 6.77  
SINCE SEP 1 6.60 5.22 1.38 7.07  
SINCE JAN 1 29.97 30.85 -0.88 33.63  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 13 9 8  
MONTH TO DATE 210 197 13 77  
SINCE SEP 1 289 299 -10 160  
SINCE JUL 1 290 308 -18 172  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 28 11 17 15  
SINCE SEP 1 178 90 88 144  
SINCE JAN 1 1032 814 218 694    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 5.8  
 
 
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) 62 75 2000  
MINIMUM TEMPERATURE (F) 41 28 1997  
 
 
SUNRISE AND SUNSET  
OCTOBER 19 2018.......SUNRISE 710 AM CDT SUNSET 605 PM CDT  
OCTOBER 20 2018.......SUNRISE 711 AM CDT SUNSET 604 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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