931  
CDUS43 KLOT 190634  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT SAT APR 19 2025  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR APRIL 18 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 77 11:43 AM 88 2002 61 16 59  
MINIMUM 58 11:59 PM 26 2018 39 19 42  
AVERAGE 68 50 18 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 2.34 2013 0.12 -0.10 0.09  
MONTH TO DATE 1.03 1.80 -0.77 1.23  
SINCE MAR 1 3.93 3.77 0.16 5.16  
SINCE JAN 1 5.50 6.28 -0.78 7.61  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 16 -16 14  
MONTH TO DATE 337 333 4 256  
SINCE MAR 1 999 1183 -184 936  
SINCE JUL 1 5319 5960 -641 4997  
 
COOLING  
YESTERDAY 3 0 3 0  
MONTH TO DATE 3 0 3 1  
SINCE MAR 1 3 2 1 1  
SINCE JAN 1 3 2 1 1    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 16.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 9:00 PM  
LOWEST 44 1:00 AM  
AVERAGE 63  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 79 2005  
MINIMUM TEMPERATURE (F) 39 30 1999  
2010  
2014  
 
SUNRISE AND SUNSET  
APRIL 19 2025.........SUNRISE 6:06 AM CDT SUNSET 7:39 PM CDT  
APRIL 20 2025.........SUNRISE 6:04 AM CDT SUNSET 7:40 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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