907  
CDUS43 KLOT 020635  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1235 AM CST FRI FEB 02 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 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 54R 3:51 PM 51 1999 31 23 26  
MINIMUM 32 7:19 AM -2 2013 16 16 0  
AVERAGE 43 24 19 13  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.73 2015 0.04 -0.04 0.00  
MONTH TO DATE 0.00 0.04 -0.04 0.00  
SINCE DEC 1 4.33 2.98 1.35 3.77  
SINCE JAN 1 2.07 1.31 0.76 1.86  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 41 -19 52  
MONTH TO DATE 22 41 -19 52  
SINCE DEC 1 2125 2467 -342 2252  
SINCE JUL 1 3291 3753 -462 3483  
 
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 18 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 7.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1:00 AM  
LOWEST 61 3:00 PM  
AVERAGE 79  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 49 2020  
MINIMUM TEMPERATURE (F) 16 -7 2014  
 
SUNRISE AND SUNSET  
FEBRUARY 2 2024......SUNRISE 7:05 AM CST SUNSET 5:09 PM CST  
FEBRUARY 3 2024......SUNRISE 7:04 AM CST SUNSET 5:10 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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