005  
CDUS43 KLOT 312239  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
439 PM CST WED JAN 31 2024  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 31 2024...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 37 3:59 PM 56 2012 31 6 9  
MINIMUM 35 8:02 AM -29 2019 16 19 -5  
AVERAGE 36 23 13 2  
 
PRECIPITATION (IN)  
TODAY 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  
TODAY 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  
TODAY 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 10.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 2:00 PM  
LOWEST 78 9:00 AM  
AVERAGE 84  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 51 1999  
MINIMUM TEMPERATURE (F) 16 -2 2013  
 
SUNRISE AND SUNSET  
JANUARY 31 2024.......SUNRISE 7:07 AM CST SUNSET 5:06 PM CST  
FEBRUARY 1 2024......SUNRISE 7:06 AM CST SUNSET 5:08 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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