943  
CDUS43 KLOT 150640  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
140 AM CDT TUE APR 15 2025  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR APRIL 14 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 2:57 PM 85 2003 59 6 82  
MINIMUM 46 11:59 PM 26 2020 37 9 49  
AVERAGE 56 48 8 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.66 2018 0.10 -0.10 0.00  
MONTH TO DATE 0.91 1.32 -0.41 1.12  
SINCE MAR 1 3.81 3.29 0.52 5.05  
SINCE JAN 1 5.38 5.80 -0.42 7.50  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 17 -8 0  
MONTH TO DATE 284 268 16 230  
SINCE MAR 1 946 1118 -172 910  
SINCE JUL 1 5266 5895 -629 4971  
 
COOLING  
YESTERDAY 0 0 0 1  
MONTH TO DATE 0 0 0 1  
SINCE MAR 1 0 2 -2 1  
SINCE JAN 1 0 2 -2 1    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 16.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 4:00 AM  
LOWEST 31 3:00 PM  
AVERAGE 50  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 87 2002  
MINIMUM TEMPERATURE (F) 38 23 2014  
 
SUNRISE AND SUNSET  
APRIL 15 2025.........SUNRISE 6:12 AM CDT SUNSET 7:34 PM CDT  
APRIL 16 2025.........SUNRISE 6:11 AM CDT SUNSET 7:36 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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