866  
CDUS43 KLOT 230633  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1233 AM CST SAT DEC 23 2023  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR DECEMBER 22 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 47 3:22 PM 57 1957 36 11 34  
MINIMUM 44 8:08 AM -12 1983 23 21 -6  
1989  
AVERAGE 46 30 16 14  
 
PRECIPITATION (IN)  
YESTERDAY 0.47 0.98 1988 0.06 0.41 0.05  
2006  
MONTH TO DATE 2.16 1.32 0.84 1.67  
SINCE DEC 1 2.16 1.32 0.84 1.67  
SINCE JAN 1 35.12 33.95 1.17 30.76  
 
DEGREE DAYS  
HEATING  
YESTERDAY 19 36 -17 51  
MONTH TO DATE 555 715 -160 715  
SINCE DEC 1 555 715 -160 715  
SINCE JUL 1 1507 1799 -292 1678  
 
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 10 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 7:00 PM  
LOWEST 70 7:00 AM  
AVERAGE 80  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 61 2015  
MINIMUM TEMPERATURE (F) 23 -17 1983  
 
SUNRISE AND SUNSET  
DECEMBER 23 2023......SUNRISE 7:16 AM CST SUNSET 4:24 PM CST  
DECEMBER 24 2023......SUNRISE 7:16 AM CST SUNSET 4:25 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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