880  
CDUS43 KLOT 082232  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
432 PM CST FRI DEC 08 2023  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 8 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 56 3:19 PM 64 1946 39 17 41  
MINIMUM 46 7:57 AM -7 1882 26 20 30  
AVERAGE 51 32 19 36  
 
PRECIPITATION (IN)  
TODAY 0.00 1.21 1885 0.07 -0.07 0.00  
MONTH TO DATE 1.06 0.61 0.45 T  
SINCE DEC 1 1.06 0.61 0.45 T  
SINCE JAN 1 31.82 36.36 -4.54 29.83  
 
SNOWFALL (IN)  
TODAY 0.0 6.9 1977 0.2 -0.2 0.0  
MONTH TO DATE 0.3 1.7 -1.4 T  
SINCE DEC 1 0.3 1.7 -1.4 T  
SINCE JUL 1 3.0 3.7 -0.7 1.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 14 32 -18 29  
MONTH TO DATE 194 250 -56 230  
SINCE DEC 1 194 250 -56 230  
SINCE JUL 1 1158 1401 -243 1295  
 
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 24 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 15.6  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 12:00 AM  
LOWEST 64 12:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 62 1879  
MINIMUM TEMPERATURE (F) 26 -14 1876  
 
SUNRISE AND SUNSET  
DECEMBER 8 2023......SUNRISE 7:07 AM CST SUNSET 4:20 PM CST  
DECEMBER 9 2023......SUNRISE 7:08 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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