751  
CDUS43 KLOT 182135  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
435 PM CDT TUE MAR 18 2025  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MARCH 18 2025...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 72 2:55 PM 79 2012 48 24 36  
MINIMUM 40 5:31 AM 11 2023 29 11 24  
AVERAGE 56 38 18 30  
 
PRECIPITATION (IN)  
TODAY 0.00 0.39 2022 0.07 -0.07 0.00  
MONTH TO DATE 1.56 1.06 0.50 2.51  
SINCE MAR 1 1.56 1.06 0.50 2.51  
SINCE JAN 1 3.13 3.57 -0.44 4.96  
 
DEGREE DAYS  
HEATING  
TODAY 9 27 -18 35  
MONTH TO DATE 415 537 -122 359  
SINCE MAR 1 415 537 -122 359  
SINCE JUL 1 4735 5314 -579 4420  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 12.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 6:00 AM  
LOWEST 35 3:00 PM  
AVERAGE 56  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 48 78 2012  
MINIMUM TEMPERATURE (F) 29 16 2013  
2023  
 
SUNRISE AND SUNSET  
MARCH 18 2025.........SUNRISE 6:59 AM CDT SUNSET 7:03 PM CDT  
MARCH 19 2025.........SUNRISE 6:57 AM CDT SUNSET 7:04 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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