884  
CDUS43 KLOT 080638  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
138 AM CDT SUN OCT 08 2023  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 7 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 59 3:41 PM 88 2007 68 -9 58  
MINIMUM 45 6:33 AM 31 1935 50 -5 42  
2000  
AVERAGE 52 59 -7 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.26 1930 0.10 -0.10 T  
MONTH TO DATE 0.45 0.76 -0.31 0.10  
SINCE SEP 1 4.05 3.53 0.52 2.16  
SINCE JAN 1 29.66 27.56 2.10 26.08  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 7 6 15  
MONTH TO DATE 25 44 -19 28  
SINCE SEP 1 40 103 -63 82  
SINCE JUL 1 41 107 -66 82  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 42 11 31 1  
SINCE SEP 1 179 147 32 215  
SINCE JAN 1 1141 1103 38 1487    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 10.7  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 2:00 AM  
LOWEST 34 4:00 PM  
AVERAGE 57  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 88 2007  
MINIMUM TEMPERATURE (F) 50 30 1952  
 
SUNRISE AND SUNSET  
OCTOBER 8 2023.......SUNRISE 6:55 AM CDT SUNSET 6:21 PM CDT  
OCTOBER 9 2023.......SUNRISE 6:56 AM CDT SUNSET 6:20 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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