299  
CDUS43 KLOT 172144  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
444 PM CDT WED APR 17 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR APRIL 17 2024...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 67 4:16 AM 84 2002 60 7 39  
MINIMUM 59 2:59 PM 25 2022 38 21 31  
AVERAGE 63 49 14 35  
 
PRECIPITATION (IN)  
TODAY 0.00 1.59 2013 0.13 -0.13 T  
MONTH TO DATE 1.14 1.68 -0.54 1.19  
SINCE MAR 1 5.07 3.65 1.42 3.01  
SINCE JAN 1 7.52 6.16 1.36 8.05  
 
DEGREE DAYS  
HEATING  
TODAY 2 16 -14 30  
MONTH TO DATE 237 317 -80 219  
SINCE MAR 1 917 1167 -250 1049  
SINCE JUL 1 4978 5944 -966 5399  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 1 0 1 11  
SINCE MAR 1 1 2 -1 11  
SINCE JAN 1 1 2 -1 11    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 21.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 2:00 AM  
LOWEST 60 8:00 AM  
AVERAGE 74  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 88 2002  
MINIMUM TEMPERATURE (F) 39 26 2018  
 
SUNRISE AND SUNSET  
APRIL 17 2024.........SUNRISE 6:09 AM CDT SUNSET 7:37 PM CDT  
APRIL 18 2024.........SUNRISE 6:07 AM CDT SUNSET 7:38 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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