387  
CDUS43 KLOT 202137  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
437 PM CDT MON MAY 20 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MAY 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 84 1:25 PM 91 2012 72 12 72  
MINIMUM 57 12:56 AM 32 2002 50 7 46  
AVERAGE 71 61 10 59  
 
PRECIPITATION (IN)  
TODAY 0.05 0.73 2013 0.14 -0.09 0.00  
2022  
MONTH TO DATE 2.12 2.89 -0.77 1.21  
SINCE MAR 1 8.89 8.30 0.59 5.49  
SINCE JAN 1 11.34 10.81 0.53 10.53  
 
DEGREE DAYS  
HEATING  
TODAY 0 6 -6 6  
MONTH TO DATE 71 165 -94 124  
SINCE MAR 1 1162 1507 -345 1412  
SINCE JUL 1 5223 6284 -1061 5762  
 
COOLING  
TODAY 6 2 4 0  
MONTH TO DATE 25 20 5 15  
SINCE MAR 1 33 26 7 26  
SINCE JAN 1 33 26 7 26    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 11.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 12:00 PM  
LOWEST 46 4:00 AM  
AVERAGE 60  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 87 2009  
MINIMUM TEMPERATURE (F) 51 26 2002  
 
SUNRISE AND SUNSET  
MAY 20 2024...........SUNRISE 5:28 AM CDT SUNSET 8:12 PM CDT  
MAY 21 2024...........SUNRISE 5:27 AM CDT SUNSET 8:13 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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