398  
CDUS43 KLOT 152153  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
453 PM CDT THU MAY 15 2025  
   
...............................
 
 
   
..THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR MAY 15 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 93R 8:55 AM 89 1998 69 24 65  
MINIMUM 53 5:00 AM 34 2016 49 4 51  
AVERAGE 73 59 14 58  
 
PRECIPITATION (IN)  
TODAY 0.00 0.57 2020 0.12 -0.12 0.00  
MONTH TO DATE 0.61 1.92 -1.31 2.00  
SINCE MAR 1 4.78 7.07 -2.29 8.73  
SINCE JAN 1 6.51 9.68 -3.17 12.06  
 
DEGREE DAYS  
HEATING  
TODAY 0 7 -7 7  
MONTH TO DATE 126 136 -10 71  
SINCE MAR 1 1261 1456 -195 1167  
SINCE JUL 1 5490 5965 -475 5012  
 
COOLING  
TODAY 8 1 7 0  
MONTH TO DATE 11 12 -1 4  
SINCE MAR 1 14 20 -6 8  
SINCE JAN 1 14 20 -6 8    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 7.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 12:00 AM  
LOWEST 49 2:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 87 2001  
2017  
MINIMUM TEMPERATURE (F) 50 33 1997  
 
SUNRISE AND SUNSET  
MAY 15 2025...........SUNRISE 5:31 AM CDT SUNSET 8:06 PM CDT  
MAY 16 2025...........SUNRISE 5:30 AM CDT SUNSET 8:07 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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