997  
CDUS43 KLOT 310645  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1245 AM CST THU DEC 31 2020  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 30 2020...  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1997 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 34 9:20 AM 59 2002 32 2 44  
MINIMUM 24 11:59 PM -6 2017 16 8 27  
AVERAGE 29 24 5 36  
 
PRECIPITATION (IN)  
YESTERDAY 0.15 0.19 0.05 0.10 0.11  
MONTH TO DATE 1.85 1.68 0.17 1.37  
SINCE DEC 1 1.85 1.68 0.17 1.37  
SINCE JAN 1 32.04 36.87 -4.83 43.23  
 
DEGREE DAYS  
HEATING  
YESTERDAY 36 41 -5 29  
MONTH TO DATE 1027 1130 -103 968  
SINCE DEC 1 1027 1130 -103 968  
SINCE JUL 1 2198 2384 -186 2344  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 943 814 129 1003    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 15.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LT FREEZING RAIN  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 100 25  
MINIMUM TEMPERATURE (F) 16 -24 1999  
 
SUNRISE AND SUNSET  
DECEMBER 31 2020......SUNRISE 7:21 AM CST SUNSET 4:32 PM CST  
JANUARY 1 2021.......SUNRISE 7:21 AM CST SUNSET 4:33 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page