480  
CDUS43 KLOT 082139  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
439 PM CDT TUE APR 08 2025  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR APRIL 8 2025...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 44 2:59 PM 77 2001 57 -13 70  
MINIMUM 23 2:03 AM 18 2018 35 -12 43  
AVERAGE 34 46 -12 57  
 
PRECIPITATION (IN)  
TODAY 0.00 0.98 2002 0.09 -0.09 0.00  
MONTH TO DATE 0.88 0.71 0.17 1.11  
SINCE MAR 1 3.78 2.68 1.10 5.04  
SINCE JAN 1 5.35 5.19 0.16 7.49  
 
DEGREE DAYS  
HEATING  
TODAY 31 19 12 8  
MONTH TO DATE 183 161 22 177  
SINCE MAR 1 845 1011 -166 857  
SINCE JUL 1 5165 5788 -623 4918  
 
COOLING  
TODAY 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 14 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 6.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 2:00 AM  
LOWEST 27 3:00 PM  
AVERAGE 51  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 75 2017  
MINIMUM TEMPERATURE (F) 36 21 2003  
 
SUNRISE AND SUNSET  
APRIL 8 2025.........SUNRISE 6:24 AM CDT SUNSET 7:27 PM CDT  
APRIL 9 2025.........SUNRISE 6:22 AM CDT SUNSET 7:28 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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