826  
CDUS43 KLOT 080633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1233 AM CST FRI JAN 08 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 7 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 4:35 PM 65 2008 31 3 40  
MINIMUM 30 6:49 AM -15 1999 15 15 22  
AVERAGE 32 23 9 31  
 
PRECIPITATION (IN)  
YESTERDAY T 0.45 0.05 -0.05 0.00  
MONTH TO DATE 0.27 0.35 -0.08 0.01  
SINCE DEC 1 2.12 2.07 0.05 1.39  
SINCE JAN 1 0.27 0.35 -0.08 0.01  
 
DEGREE DAYS  
HEATING  
YESTERDAY 33 42 -9 34  
MONTH TO DATE 255 292 -37 224  
SINCE DEC 1 1328 1465 -137 1232  
SINCE JUL 1 2499 2719 -220 2608  
 
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 9 RESULTANT WIND DIRECTION N (10)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 9.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 56 2008  
MINIMUM TEMPERATURE (F) 15 -11 2014  
 
SUNRISE AND SUNSET  
JANUARY 8 2021.......SUNRISE 7:20 AM CST SUNSET 4:40 PM CST  
JANUARY 9 2021.......SUNRISE 7:20 AM CST SUNSET 4:41 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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