124  
CDUS43 KLOT 140631  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1231 AM CST THU DEC 14 2023  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR DECEMBER 13 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 42 3:13 PM 67 1975 38 4 38  
MINIMUM 23 7:34 AM -3 1958 26 -3 34  
2000  
AVERAGE 33 32 1 36  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.24 1928 0.05 -0.05 0.02  
MONTH TO DATE 1.21 0.81 0.40 0.43  
SINCE DEC 1 1.21 0.81 0.40 0.43  
SINCE JAN 1 34.17 33.44 0.73 29.52  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 33 -1 29  
MONTH TO DATE 326 405 -79 361  
SINCE DEC 1 326 405 -79 361  
SINCE JUL 1 1278 1489 -211 1324  
 
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 13 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 5.5  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 2:00 AM  
LOWEST 22 1:00 PM  
AVERAGE 45  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 66 1975  
MINIMUM TEMPERATURE (F) 25 -4 1985  
 
SUNRISE AND SUNSET  
DECEMBER 14 2023......SUNRISE 7:10 AM CST SUNSET 4:21 PM CST  
DECEMBER 15 2023......SUNRISE 7:11 AM CST SUNSET 4:21 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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