187  
CDUS43 KLOT 180636  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
136 AM CDT FRI APR 18 2025  
   
...............................  
 
   
..THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR APRIL 17 2025  
 
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)  
YESTERDAY  
MAXIMUM 64 1:52 PM 85 2002 59 5 68  
MINIMUM 38 12:44 AM 28 2001 40 -2 54  
AVERAGE 51 49 2 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 0.24 2020 0.12 -0.08 T  
MONTH TO DATE 1.24 1.64 -0.40 1.65  
SINCE MAR 1 3.34 3.48 -0.14 5.50  
SINCE JAN 1 5.07 6.09 -1.02 8.83  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 16 -2 4  
MONTH TO DATE 345 317 28 240  
SINCE MAR 1 1013 1142 -129 928  
SINCE JUL 1 5242 5651 -409 4773  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 2 -2 0  
SINCE JAN 1 0 2 -2 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 13.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 4:00 PM  
LOWEST 34 1:00 PM  
AVERAGE 60  
   
......................................................  
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 88 2002  
MINIMUM TEMPERATURE (F) 40 26 1997  
2001  
 
SUNRISE AND SUNSET  
APRIL 18 2025.........SUNRISE 6:06 AM CDT SUNSET 7:37 PM CDT  
APRIL 19 2025.........SUNRISE 6:04 AM CDT SUNSET 7:38 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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