377  
CDUS43 KLOT 282237  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
437 PM CST THU DEC 28 2023  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR DECEMBER 28 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 43 3:59 PM 67 1984 34 9 45  
MINIMUM 38 8:30 AM -3 1961 22 16 25  
AVERAGE 41 28 13 35  
 
PRECIPITATION (IN)  
TODAY 0.01 1.82 2015 0.05 -0.04 0.00  
MONTH TO DATE 2.48 1.63 0.85 1.67  
SINCE DEC 1 2.48 1.63 0.85 1.67  
SINCE JAN 1 35.44 34.26 1.18 30.76  
 
DEGREE DAYS  
HEATING  
TODAY 24 37 -13 30  
MONTH TO DATE 667 933 -266 1027  
SINCE DEC 1 667 933 -266 1027  
SINCE JUL 1 1619 2017 -398 1990  
 
COOLING  
TODAY 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 16 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 11.0  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 11:00 AM  
LOWEST 70 3:00 AM  
AVERAGE 80  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 64 1984  
MINIMUM TEMPERATURE (F) 22 -8 1976  
 
SUNRISE AND SUNSET  
DECEMBER 28 2023......SUNRISE 7:18 AM CST SUNSET 4:28 PM CST  
DECEMBER 29 2023......SUNRISE 7:18 AM CST SUNSET 4:28 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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