821  
CDUS43 KLOT 202137  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
437 PM CDT SAT APR 20 2024  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR APRIL 20 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 46 11:15 AM 80 2014 61 -15 78  
MINIMUM 33 5:38 AM 25 2018 39 -6 46  
AVERAGE 40 50 -10 62  
 
PRECIPITATION (IN)  
TODAY 0.00 0.64 2023 0.12 -0.12 0.64  
MONTH TO DATE 1.23 2.05 -0.82 1.90  
SINCE MAR 1 5.16 4.02 1.14 3.72  
SINCE JAN 1 7.61 6.53 1.08 8.76  
 
DEGREE DAYS  
HEATING  
TODAY 25 15 10 3  
MONTH TO DATE 299 363 -64 253  
SINCE MAR 1 979 1213 -234 1083  
SINCE JUL 1 5040 5990 -950 5433  
 
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 18 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 13.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 61 6:00 AM  
LOWEST 43 11:00 AM  
AVERAGE 52  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 81 2001  
MINIMUM TEMPERATURE (F) 40 29 2011  
2021  
 
SUNRISE AND SUNSET  
APRIL 20 2024.........SUNRISE 6:04 AM CDT SUNSET 7:40 PM CDT  
APRIL 21 2024.........SUNRISE 6:03 AM CDT SUNSET 7:41 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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