925  
CDUS43 KLOT 050644  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1244 AM CST FRI FEB 05 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 4 2021...  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 35 12:31 PM 59 2008 33 2 36  
MINIMUM 16 11:59 PM -7 2007 17 -1 27  
AVERAGE 26 25 1 32  
 
PRECIPITATION (IN)  
YESTERDAY 0.21 0.25 0.03 0.18 0.00  
MONTH TO DATE 0.21 0.14 0.07 0.01  
SINCE DEC 1 2.80 3.17 -0.37 3.67  
SINCE JAN 1 0.95 1.45 -0.50 2.29  
 
DEGREE DAYS  
HEATING  
YESTERDAY 39 40 -1 33  
MONTH TO DATE 166 160 6 120  
SINCE DEC 1 2427 2621 -194 2245  
SINCE JUL 1 3598 3875 -277 3621  
 
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 11 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 17.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY SNOW  
SNOW  
LIGHT SNOW  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 57 2008  
MINIMUM TEMPERATURE (F) 17 -12 2015  
 
SUNRISE AND SUNSET  
FEBRUARY 5 2021......SUNRISE 7:01 AM CST SUNSET 5:14 PM CST  
FEBRUARY 6 2021......SUNRISE 7:00 AM CST SUNSET 5:15 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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