999  
CDUS43 KLOT 242149  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
449 PM CDT MON JUL 24 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 24 2023...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 85 2:37 PM 100 2005 84 1 86  
MINIMUM 62 3:40 AM 49 2000 64 -2 68  
AVERAGE 74 74 0 77  
 
PRECIPITATION (IN)  
TODAY 0.00 3.08 2010 0.13 -0.13 0.88  
MONTH TO DATE 6.30 2.78 3.52 3.96  
SINCE JUN 1 7.47 6.43 1.04 5.91  
SINCE JAN 1 18.00 18.69 -0.69 20.59  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 29 33 -4 13  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 9 9 0 12  
MONTH TO DATE 183 212 -29 239  
SINCE JUN 1 334 387 -53 435  
SINCE JAN 1 385 443 -58 556    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 2.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 3:00 AM  
LOWEST 49 11:00 AM  
AVERAGE 71  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 97 2012  
MINIMUM TEMPERATURE (F) 64 53 2013  
2014  
 
SUNRISE AND SUNSET  
JULY 24 2023..........SUNRISE 5:39 AM CDT SUNSET 8:20 PM CDT  
JULY 25 2023..........SUNRISE 5:40 AM CDT SUNSET 8:19 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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