603  
CDUS43 KLOT 310651  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1251 AM CST SUN JAN 31 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 30 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 34 2:58 PM 58 1999 32 2 33  
MINIMUM 27 1:08 AM -24 2019 16 11 28  
AVERAGE 31 24 7 31  
 
PRECIPITATION (IN)  
YESTERDAY 0.10 0.28 0.05 0.05 0.00  
MONTH TO DATE 0.74 1.26 -0.52 2.26  
SINCE DEC 1 2.59 2.98 -0.39 3.64  
SINCE JAN 1 0.74 1.26 -0.52 2.26  
 
DEGREE DAYS  
HEATING  
YESTERDAY 34 41 -7 34  
MONTH TO DATE 1154 1250 -96 1084  
SINCE DEC 1 2227 2423 -196 2092  
SINCE JUL 1 3398 3677 -279 3468  
 
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 13 RESULTANT WIND DIRECTION E (110)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 14.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
SNOW  
LIGHT SNOW  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 56 2012  
MINIMUM TEMPERATURE (F) 16 -29 2019  
 
SUNRISE AND SUNSET  
JANUARY 31 2021.......SUNRISE 7:06 AM CST SUNSET 5:07 PM CST  
FEBRUARY 1 2021......SUNRISE 7:05 AM CST SUNSET 5:08 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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