633  
CDUS43 KLOT 020635  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
135 AM CDT WED APR 02 2025  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR APRIL 1 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 46 11:01 PM 83 2010 54 -8 48  
MINIMUM 26 4:49 AM 22 2018 33 -7 41  
AVERAGE 36 44 -8 45  
 
PRECIPITATION (IN)  
YESTERDAY T 0.36 2024 0.08 -0.08 0.36  
MONTH TO DATE T 0.08 -0.08 0.36  
SINCE MAR 1 2.90 2.05 0.85 4.29  
SINCE JAN 1 4.47 4.56 -0.09 6.74  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 21 8 20  
MONTH TO DATE 29 21 8 20  
SINCE MAR 1 691 871 -180 700  
SINCE JUL 1 5011 5648 -637 4761  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 2 -2 0  
SINCE JAN 1 0 2 -2 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 11.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 12:00 AM  
LOWEST 38 12:00 PM  
AVERAGE 62  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 80 2010  
MINIMUM TEMPERATURE (F) 34 17 2018  
 
SUNRISE AND SUNSET  
APRIL 2 2025.........SUNRISE 6:34 AM CDT SUNSET 7:20 PM CDT  
APRIL 3 2025.........SUNRISE 6:32 AM CDT SUNSET 7:21 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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