685  
CDUS43 KLOT 042133  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CDT TUE JUL 04 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 4 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 90 2:46 PM 98 2012 84 6 85  
MINIMUM 64 4:27 AM 50 2008 63 1 64  
AVERAGE 77 73 4 75  
 
PRECIPITATION (IN)  
TODAY 0.00 0.45 2022 0.11 -0.11 0.45  
MONTH TO DATE 0.93 0.41 0.52 0.45  
SINCE JUN 1 2.10 4.06 -1.96 2.40  
SINCE JAN 1 12.63 16.32 -3.69 17.08  
 
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 12 8 4 10  
MONTH TO DATE 39 32 7 38  
SINCE JUN 1 190 207 -17 234  
SINCE JAN 1 241 263 -22 355    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 5.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 2:00 AM  
LOWEST 44 1:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 99 2012  
MINIMUM TEMPERATURE (F) 63 50 1997  
2008  
 
SUNRISE AND SUNSET  
JULY 4 2023..........SUNRISE 5:23 AM CDT SUNSET 8:32 PM CDT  
JULY 5 2023..........SUNRISE 5:24 AM CDT SUNSET 8:31 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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