631  
CDUS43 KLOT 122131  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
431 PM CDT SAT APR 12 2025  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR APRIL 12 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 62 2:59 PM 82 2023 58 4 64  
MINIMUM 32 5:21 AM 23 2004 37 -5 47  
AVERAGE 47 48 -1 56  
 
PRECIPITATION (IN)  
TODAY 0.00 0.81 2005 0.10 -0.10 0.01  
MONTH TO DATE 0.91 1.11 -0.20 1.12  
SINCE MAR 1 3.81 3.08 0.73 5.05  
SINCE JAN 1 5.38 5.59 -0.21 7.50  
 
DEGREE DAYS  
HEATING  
TODAY 18 18 0 9  
MONTH TO DATE 269 234 35 219  
SINCE MAR 1 931 1084 -153 899  
SINCE JUL 1 5251 5861 -610 4960  
 
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 SE (150)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 2.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 1:00 AM  
LOWEST 28 1:00 PM  
AVERAGE 52  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 83 2023  
MINIMUM TEMPERATURE (F) 37 26 2004  
 
SUNRISE AND SUNSET  
APRIL 12 2025.........SUNRISE 6:17 AM CDT SUNSET 7:31 PM CDT  
APRIL 13 2025.........SUNRISE 6:15 AM CDT SUNSET 7:32 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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