669  
CDUS43 KLOT 152139  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
439 PM CDT MON MAY 15 2023  
   
...............................
 
 
   
..THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR MAY 15 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1996 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 65 2:04 PM 89 1998 69 -4 77  
MINIMUM 50 5:12 AM 34 2016 49 1 60  
AVERAGE 58 59 -1 69  
 
PRECIPITATION (IN)  
TODAY 0.00 0.57 2020 0.12 -0.12 0.01  
MONTH TO DATE 0.60 1.92 -1.32 1.79  
SINCE MAR 1 6.67 7.07 -0.40 9.63  
SINCE JAN 1 12.11 9.68 2.43 11.87  
 
DEGREE DAYS  
HEATING  
TODAY 7 7 0 0  
MONTH TO DATE 109 136 -27 108  
SINCE MAR 1 1317 1456 -139 1380  
SINCE JUL 1 5366 5965 -599 5581  
 
COOLING  
TODAY 0 1 -1 4  
MONTH TO DATE 6 12 -6 81  
SINCE MAR 1 34 20 14 82  
SINCE JAN 1 34 20 14 82    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 6.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 52 12:00 AM  
LOWEST 28 3:00 PM  
AVERAGE 40  
   
......................................................
 
 
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 2023...........SUNRISE 5:31 AM CDT SUNSET 8:05 PM CDT  
MAY 16 2023...........SUNRISE 5:30 AM CDT SUNSET 8:06 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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