140  
CDUS43 KLOT 212141  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
441 PM CDT MON JUL 21 2025  
   
...............................  
 
   
..THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR JULY 21 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1996 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 80 1:45 PM 100 2011 84 -4 84  
MINIMUM 63 3:34 AM 56 1996 66 -3 64  
2007  
AVERAGE 72 75 -3 74  
 
PRECIPITATION (IN)  
TODAY 0.00 2.24 2019 0.10 -0.10 0.00  
MONTH TO DATE 2.83 2.15 0.68 4.87  
SINCE JUN 1 6.13 6.12 0.01 9.45  
SINCE JAN 1 13.90 17.64 -3.74 23.74  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 3  
SINCE JUN 1 21 37 -16 14  
SINCE JUL 1 0 0 0 3  
 
COOLING  
TODAY 7 10 -3 9  
MONTH TO DATE 224 206 18 200  
SINCE JUN 1 488 387 101 457  
SINCE JAN 1 509 447 62 494    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 6.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 3:00 AM  
LOWEST 58 1:00 PM  
AVERAGE 76  
   
......................................................  
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 93 2001  
MINIMUM TEMPERATURE (F) 66 54 1996  
 
SUNRISE AND SUNSET  
JULY 21 2025..........SUNRISE 5:35 AM CDT SUNSET 8:21 PM CDT  
JULY 22 2025..........SUNRISE 5:35 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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