170  
CDUS43 KLOT 190635  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1235 AM CST TUE FEB 19 2019  
 
   
...............................
 
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 18 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 31 104 PM 69 2017 37 -6 38  
MINIMUM 7 1159 PM -8 2006 20 -13 10  
AVERAGE 19 29 -10 24  
 
PRECIPITATION (IN)  
YESTERDAY T 0.33 0.05 -0.05 0.00  
MONTH TO DATE 1.43 0.82 0.61 0.68  
SINCE DEC 1 5.02 3.85 1.17 2.48  
SINCE JAN 1 2.49 2.13 0.36 1.85  
 
DEGREE DAYS  
HEATING  
YESTERDAY 46 36 10 41  
MONTH TO DATE 723 695 28 846  
SINCE DEC 1 3163 3156 7 3419  
SINCE JUL 1 4678 4410 268 4629  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 7.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
   
......................................................
 
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 67 2017  
MINIMUM TEMPERATURE (F) 20 -8 2015  
 
 
SUNRISE AND SUNSET  
FEBRUARY 19 2019......SUNRISE 643 AM CST SUNSET 531 PM CST  
FEBRUARY 20 2019......SUNRISE 642 AM CST SUNSET 532 PM CST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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