111  
CDUS43 KLOT 160639  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
139 AM CDT SUN MAR 16 2025  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MARCH 15 2025...  
 
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)  
YESTERDAY  
MAXIMUM 65 12:38 PM 80 2012 47 18 55  
MINIMUM 38 11:59 PM 15 2017 28 10 36  
AVERAGE 52 37 15 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.10 0.42 2001 0.05 0.05 0.00  
MONTH TO DATE 1.48 0.86 0.62 2.51  
SINCE MAR 1 1.48 0.86 0.62 2.51  
SINCE JAN 1 3.05 3.37 -0.32 4.96  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 28 -15 19  
MONTH TO DATE 344 456 -112 276  
SINCE MAR 1 344 456 -112 276  
SINCE JUL 1 4664 5233 -569 4337  
 
COOLING  
YESTERDAY 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 35 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 18.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 12:00 AM  
LOWEST 45 12:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 47 80 2012  
MINIMUM TEMPERATURE (F) 28 12 2014  
 
SUNRISE AND SUNSET  
MARCH 16 2025.........SUNRISE 7:03 AM CDT SUNSET 7:01 PM CDT  
MARCH 17 2025.........SUNRISE 7:01 AM CDT SUNSET 7:02 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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