857  
CDUS43 KLOT 020634  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1234 AM CST TUE JAN 02 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 1 2024...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 31 12:18 PM 47 2000 31 0 42  
MINIMUM 26 11:59 PM -12 2018 18 8 34  
AVERAGE 29 25 4 38  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.40 2005 0.04 -0.04 0.09  
MONTH TO DATE 0.00 0.04 -0.04 0.09  
SINCE DEC 1 2.26 1.71 0.55 2.00  
SINCE JAN 1 0.00 0.04 -0.04 0.09  
 
DEGREE DAYS  
HEATING  
YESTERDAY 36 40 -4 27  
MONTH TO DATE 36 40 -4 27  
SINCE DEC 1 888 1174 -286 1177  
SINCE JUL 1 2054 2460 -406 2408  
 
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)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 11.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 12:00 AM  
LOWEST 71 11:00 AM  
AVERAGE 77  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 60 2004  
MINIMUM TEMPERATURE (F) 18 -14 2018  
 
SUNRISE AND SUNSET  
JANUARY 2 2024.......SUNRISE 7:21 AM CST SUNSET 4:33 PM CST  
JANUARY 3 2024.......SUNRISE 7:21 AM CST SUNSET 4:34 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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