863  
CDUS43 KLOT 010639  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1239 AM CST MON JAN 01 2024  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR DECEMBER 31 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 38 12:57 AM 60 1962 34 4 39  
MINIMUM 32 9:17 AM -10 1967 21 11 27  
AVERAGE 35 28 7 33  
 
PRECIPITATION (IN)  
YESTERDAY T 1.41 1984 0.05 -0.05 0.00  
MONTH TO DATE 2.67 1.79 0.88 1.67  
SINCE DEC 1 2.67 1.79 0.88 1.67  
SINCE JAN 1 35.63 34.42 1.21 30.76  
 
DEGREE DAYS  
HEATING  
YESTERDAY 30 37 -7 32  
MONTH TO DATE 755 1044 -289 1094  
SINCE DEC 1 755 1044 -289 1094  
SINCE JUL 1 1707 2128 -421 2057  
 
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 21 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 11.5  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 11:00 AM  
LOWEST 69 3:00 AM  
AVERAGE 79  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 52 2000  
MINIMUM TEMPERATURE (F) 21 -10 1969  
 
SUNRISE AND SUNSET  
JANUARY 1 2024.......SUNRISE 7:18 AM CST SUNSET 4:31 PM CST  
JANUARY 2 2024.......SUNRISE 7:18 AM CST SUNSET 4:32 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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