514  
CDUS43 KLOT 040635  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1235 AM CST SUN FEB 04 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 3 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 47 1:23 PM 48 2020 32 15 10  
MINIMUM 23 6:25 AM -12 2011 16 7 -2  
AVERAGE 35 24 11 4  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.37 2006 0.04 -0.04 0.00  
MONTH TO DATE 0.00 0.11 -0.11 0.00  
SINCE DEC 1 4.33 3.05 1.28 3.77  
SINCE JAN 1 2.07 1.38 0.69 1.86  
 
DEGREE DAYS  
HEATING  
YESTERDAY 30 41 -11 61  
MONTH TO DATE 82 123 -41 158  
SINCE DEC 1 2185 2549 -364 2358  
SINCE JUL 1 3351 3835 -484 3589  
 
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 14 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 6.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1:00 AM  
LOWEST 55 1:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 59 2008  
MINIMUM TEMPERATURE (F) 16 -7 2007  
 
SUNRISE AND SUNSET  
FEBRUARY 4 2024......SUNRISE 7:03 AM CST SUNSET 5:11 PM CST  
FEBRUARY 5 2024......SUNRISE 7:02 AM CST SUNSET 5:13 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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