019  
CDUS43 KLOT 190649  
CLIPWK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
149 AM CDT THU OCT 19 2023  
   
...............................
 
 
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR OCTOBER 18 2023...  
 
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)  
YESTERDAY  
MAXIMUM 66 2:30 PM 78 2007 62 4 48  
MINIMUM 39 4:11 AM 30 2009 44 -5 35  
2015  
AVERAGE 53 53 0 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 0.29 1998 0.10 -0.05 0.00  
MONTH TO DATE 2.22 1.94 0.28 0.93  
SINCE SEP 1 5.11 4.98 0.13 4.21  
SINCE JAN 1 26.02 27.32 -1.30 29.14  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 12 0 23  
MONTH TO DATE 131 171 -40 223  
SINCE SEP 1 165 253 -88 306  
SINCE JUL 1 169 260 -91 306  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 31 11 20 0  
SINCE SEP 1 150 117 33 135  
SINCE JAN 1 870 931 -61 1115    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 9.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 2:00 AM  
LOWEST 50 5:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 76 2000  
MINIMUM TEMPERATURE (F) 43 30 1996  
 
SUNRISE AND SUNSET  
OCTOBER 19 2023.......SUNRISE 7:09 AM CDT SUNSET 6:04 PM CDT  
OCTOBER 20 2023.......SUNRISE 7:10 AM CDT SUNSET 6:02 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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