396  
CDUS43 KLOT 122134  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CDT FRI APR 12 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR APRIL 12 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 64 1:57 PM 82 2023 58 6 82  
MINIMUM 47 6:02 AM 23 2004 37 10 55  
AVERAGE 56 48 8 69  
 
PRECIPITATION (IN)  
TODAY 0.01 0.81 2005 0.10 -0.09 0.00  
MONTH TO DATE 1.12 1.11 0.01 0.93  
SINCE MAR 1 5.05 3.08 1.97 2.75  
SINCE JAN 1 7.50 5.59 1.91 7.79  
 
DEGREE DAYS  
HEATING  
TODAY 9 18 -9 0  
MONTH TO DATE 219 234 -15 170  
SINCE MAR 1 899 1084 -185 1000  
SINCE JUL 1 4960 5861 -901 5350  
 
COOLING  
TODAY 0 0 0 4  
MONTH TO DATE 0 0 0 4  
SINCE MAR 1 0 2 -2 4  
SINCE JAN 1 0 2 -2 4    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 18.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 1:00 AM  
LOWEST 36 2:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 83 2023  
MINIMUM TEMPERATURE (F) 37 26 2004  
 
SUNRISE AND SUNSET  
APRIL 12 2024.........SUNRISE 6:17 AM CDT SUNSET 7:31 PM CDT  
APRIL 13 2024.........SUNRISE 6:15 AM CDT SUNSET 7:32 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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