532  
CDUS43 KLOT 220639  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
139 AM CDT THU MAY 22 2025  
   
...............................
 
 
   
..THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR MAY 21 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 53 2:43 PM 89 2021 71 -18 88  
MINIMUM 48 11:59 PM 33 2002 52 -4 59  
AVERAGE 51 61 -10 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.08 1.59 2018 0.12 -0.04 0.00  
MONTH TO DATE 1.61 2.63 -1.02 2.58  
SINCE MAR 1 5.78 7.78 -2.00 9.31  
SINCE JAN 1 7.51 10.39 -2.88 12.64  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 6 8 0  
MONTH TO DATE 184 174 10 73  
SINCE MAR 1 1319 1494 -175 1169  
SINCE JUL 1 5548 6003 -455 5014  
 
COOLING  
YESTERDAY 0 2 -2 9  
MONTH TO DATE 18 24 -6 22  
SINCE MAR 1 21 32 -11 26  
SINCE JAN 1 21 32 -11 26    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 8.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 12:00 AM  
LOWEST 83 3:00 PM  
AVERAGE 90  
   
......................................................
 
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 90 2021  
MINIMUM TEMPERATURE (F) 52 37 1997  
2006  
 
SUNRISE AND SUNSET  
MAY 22 2025...........SUNRISE 5:24 AM CDT SUNSET 8:13 PM CDT  
MAY 23 2025...........SUNRISE 5:24 AM CDT SUNSET 8:14 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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