935  
CDUS43 KLOT 162137  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
437 PM CDT WED APR 16 2025  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR APRIL 16 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 56 2:59 PM 86 2002 60 -4 79  
MINIMUM 30 4:13 AM 22 2020 38 -8 50  
AVERAGE 43 49 -6 65  
 
PRECIPITATION (IN)  
TODAY 0.00 1.28 2006 0.12 -0.12 0.02  
MONTH TO DATE 0.93 1.55 -0.62 1.14  
SINCE MAR 1 3.83 3.52 0.31 5.07  
SINCE JAN 1 5.40 6.03 -0.63 7.52  
 
DEGREE DAYS  
HEATING  
TODAY 22 16 6 0  
MONTH TO DATE 325 301 24 235  
SINCE MAR 1 987 1151 -164 915  
SINCE JUL 1 5307 5928 -621 4976  
 
COOLING  
TODAY 0 0 0 0  
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 8 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 3.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 3:00 AM  
LOWEST 31 3:00 PM  
AVERAGE 55  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 84 2002  
MINIMUM TEMPERATURE (F) 38 25 2022  
 
SUNRISE AND SUNSET  
APRIL 16 2025.........SUNRISE 6:11 AM CDT SUNSET 7:36 PM CDT  
APRIL 17 2025.........SUNRISE 6:09 AM CDT SUNSET 7:37 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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