175  
CDUS43 KLOT 230633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1233 AM CST SAT JAN 23 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 22 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 27 12:30 AM 54 2018 31 -4 34  
MINIMUM 7 11:58 PM -3 2013 15 -8 22  
2014  
AVERAGE 17 23 -6 28  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.83 0.04 -0.04 0.00  
MONTH TO DATE 0.52 0.90 -0.38 1.68  
SINCE DEC 1 2.37 2.62 -0.25 3.06  
SINCE JAN 1 0.52 0.90 -0.38 1.68  
 
DEGREE DAYS  
HEATING  
YESTERDAY 48 42 6 37  
MONTH TO DATE 817 922 -105 815  
SINCE DEC 1 1890 2095 -205 1823  
SINCE JUL 1 3061 3349 -288 3199  
 
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 NW (310)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 11.4  
 
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) 32 46 2002  
MINIMUM TEMPERATURE (F) 16 -7 2014  
 
SUNRISE AND SUNSET  
JANUARY 23 2021.......SUNRISE 7:13 AM CST SUNSET 4:57 PM CST  
JANUARY 24 2021.......SUNRISE 7:12 AM CST SUNSET 4:58 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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