739  
CDUS43 KLOT 122137  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
437 PM CDT SUN MAY 12 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MAY 12 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 82 2:59 PM 91 2022 70 12 76  
MINIMUM 45 4:42 AM 30 2021 47 -2 58  
AVERAGE 64 58 6 67  
 
PRECIPITATION (IN)  
TODAY 0.00 1.26 2016 0.14 -0.14 0.74  
MONTH TO DATE 1.93 1.76 0.17 1.07  
SINCE MAR 1 8.70 7.17 1.53 5.35  
SINCE JAN 1 11.15 9.68 1.47 10.39  
 
DEGREE DAYS  
HEATING  
TODAY 1 8 -7 0  
MONTH TO DATE 55 113 -58 80  
SINCE MAR 1 1146 1455 -309 1368  
SINCE JUL 1 5207 6232 -1025 5718  
 
COOLING  
TODAY 0 1 -1 2  
MONTH TO DATE 2 8 -6 15  
SINCE MAR 1 10 14 -4 26  
SINCE JAN 1 10 14 -4 26    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 7.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1:00 AM  
LOWEST 35 1:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 89 2022  
MINIMUM TEMPERATURE (F) 48 32 2013  
 
SUNRISE AND SUNSET  
MAY 12 2024...........SUNRISE 5:35 AM CDT SUNSET 8:04 PM CDT  
MAY 13 2024...........SUNRISE 5:34 AM CDT SUNSET 8:05 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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