712  
CDUS43 KLOT 220633  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT SUN OCT 22 2023  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 21 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1928 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 65 12:47 PM 87 1953 61 4 78  
MINIMUM 45 2:42 AM 26 1952 45 0 45  
AVERAGE 55 53 2 62  
 
PRECIPITATION (IN)  
YESTERDAY T 2.24 1933 0.11 -0.11 0.00  
MONTH TO DATE 2.26 2.40 -0.14 1.14  
SINCE SEP 1 5.86 5.17 0.69 3.20  
SINCE JAN 1 31.47 29.20 2.27 27.12  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 12 -2 3  
MONTH TO DATE 183 183 0 208  
SINCE SEP 1 198 242 -44 262  
SINCE JUL 1 199 246 -47 262  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 42 17 25 1  
SINCE SEP 1 179 153 26 215  
SINCE JAN 1 1141 1109 32 1487    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 12.1  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 8:00 PM  
LOWEST 54 1:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 87 1953  
MINIMUM TEMPERATURE (F) 44 24 1930  
 
SUNRISE AND SUNSET  
OCTOBER 22 2023.......SUNRISE 7:11 AM CDT SUNSET 5:59 PM CDT  
OCTOBER 23 2023.......SUNRISE 7:12 AM CDT SUNSET 5:58 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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