555  
CDUS43 KLOT 010638  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1238 AM CST THU FEB 01 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 31 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 37 6:05 PM 56 2012 31 6 9  
MINIMUM 34 11:59 PM -29 2019 16 18 -5  
AVERAGE 36 23 13 2  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.43 2002 0.04 -0.04 0.00  
MONTH TO DATE 2.07 1.27 0.80 1.86  
SINCE DEC 1 4.33 2.94 1.39 3.77  
SINCE JAN 1 2.07 1.27 0.80 1.86  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 42 -13 63  
MONTH TO DATE 1251 1293 -42 1050  
SINCE DEC 1 2103 2427 -324 2200  
SINCE JUL 1 3269 3713 -444 3431  
 
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 SW (230)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 10.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 9:00 PM  
LOWEST 78 9:00 AM  
AVERAGE 85  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 51 1999  
MINIMUM TEMPERATURE (F) 16 -2 2013  
 
SUNRISE AND SUNSET  
FEBRUARY 1 2024......SUNRISE 7:06 AM CST SUNSET 5:08 PM CST  
FEBRUARY 2 2024......SUNRISE 7:05 AM CST SUNSET 5:09 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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