403  
CDUS43 KLOT 232143  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
443 PM CDT SUN JUL 23 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 23 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 82 2:59 PM 93 1999 84 -2 85  
MINIMUM 60 5:27 AM 48 2000 64 -4 69  
AVERAGE 71 74 -3 77  
 
PRECIPITATION (IN)  
TODAY 0.13 2.28 2010 0.12 0.01 1.16  
MONTH TO DATE 6.30 2.65 3.65 3.08  
SINCE JUN 1 7.47 6.30 1.17 5.03  
SINCE JAN 1 18.00 18.56 -0.56 19.71  
 
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 6 9 -3 12  
MONTH TO DATE 174 203 -29 227  
SINCE JUN 1 325 378 -53 423  
SINCE JAN 1 376 434 -58 544    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 5.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 2:00 AM  
LOWEST 51 2:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 100 2005  
MINIMUM TEMPERATURE (F) 64 49 2000  
 
SUNRISE AND SUNSET  
JULY 23 2023..........SUNRISE 5:38 AM CDT SUNSET 8:21 PM CDT  
JULY 24 2023..........SUNRISE 5:39 AM CDT SUNSET 8:20 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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