902  
CDUS43 KLOT 072232  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
432 PM CST THU DEC 07 2023  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 7 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 51 3:44 PM 64 1916 39 12 43  
MINIMUM 36 7:47 AM -6 1882 27 9 34  
AVERAGE 44 33 11 39  
 
PRECIPITATION (IN)  
TODAY 0.00 1.12 1980 0.08 -0.08 0.00  
MONTH TO DATE 1.06 0.54 0.52 T  
SINCE DEC 1 1.06 0.54 0.52 T  
SINCE JAN 1 31.82 36.29 -4.47 29.83  
 
SNOWFALL (IN)  
TODAY 0.0 6.9 1978 0.2 -0.2 0.0  
MONTH TO DATE 0.3 1.5 -1.2 T  
SINCE DEC 1 0.3 1.5 -1.2 T  
SINCE JUL 1 3.0 3.5 -0.5 1.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 21 32 -11 26  
MONTH TO DATE 180 218 -38 201  
SINCE DEC 1 180 218 -38 201  
SINCE JUL 1 1144 1369 -225 1266  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1145 1003 142 1174    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 11.5  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 5:00 AM  
LOWEST 58 2:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 64 1946  
MINIMUM TEMPERATURE (F) 26 -7 1882  
 
SUNRISE AND SUNSET  
DECEMBER 7 2023......SUNRISE 7:06 AM CST SUNSET 4:20 PM CST  
DECEMBER 8 2023......SUNRISE 7:07 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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