427  
CDUS43 KLOT 080642  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1242 AM CST FRI DEC 08 2023  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR DECEMBER 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 53 3:09 PM 61 1946 40 13 43  
MINIMUM 37 8:03 AM -2 1936 27 10 38  
AVERAGE 45 34 11 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.26 2004 0.06 -0.06 0.00  
MONTH TO DATE 1.06 0.46 0.60 T  
SINCE DEC 1 1.06 0.46 0.60 T  
SINCE JAN 1 34.02 33.09 0.93 29.09  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 31 -11 24  
MONTH TO DATE 168 211 -43 200  
SINCE DEC 1 168 211 -43 200  
SINCE JUL 1 1120 1295 -175 1163  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1149 1112 37 1514    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 10.4  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 6:00 AM  
LOWEST 54 1:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 64 1946  
MINIMUM TEMPERATURE (F) 27 0 1958  
 
SUNRISE AND SUNSET  
DECEMBER 8 2023......SUNRISE 7:05 AM CST SUNSET 4:20 PM CST  
DECEMBER 9 2023......SUNRISE 7:06 AM CST SUNSET 4:20 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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