868  
CDUS43 KLOT 252137  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
437 PM CDT TUE JUL 25 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 25 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 88 2:23 PM 97 2012 84 4 79  
MINIMUM 64 5:14 AM 53 2013 64 0 60  
2014  
AVERAGE 76 74 2 70  
 
PRECIPITATION (IN)  
TODAY 0.00 0.24 2005 0.12 -0.12 0.00  
MONTH TO DATE 6.30 2.90 3.40 3.96  
SINCE JUN 1 7.47 6.55 0.92 5.91  
SINCE JAN 1 18.00 18.81 -0.81 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 11 9 2 5  
MONTH TO DATE 194 221 -27 244  
SINCE JUN 1 345 396 -51 440  
SINCE JAN 1 396 452 -56 561    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 3.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 6:00 AM  
LOWEST 48 2:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 96 1997  
MINIMUM TEMPERATURE (F) 64 54 1998  
2004  
 
SUNRISE AND SUNSET  
JULY 25 2023..........SUNRISE 5:40 AM CDT SUNSET 8:19 PM CDT  
JULY 26 2023..........SUNRISE 5:41 AM CDT SUNSET 8:18 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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