275  
CDUS43 KLOT 082238  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
438 PM CST SUN DEC 08 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 8 2024  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 55 3:26 PM 64 1946 39 16 56  
MINIMUM 38 7:32 AM -7 1882 26 12 46  
AVERAGE 47 32 15 51  
 
PRECIPITATION (IN)  
TODAY 0.00 1.21 1885 0.07 -0.07 0.00  
MONTH TO DATE T 0.61 -0.61 1.06  
SINCE DEC 1 T 0.61 -0.61 1.06  
SINCE JAN 1 32.99 36.36 -3.37 31.82  
 
SNOWFALL (IN)  
TODAY 0.0 6.9 1977 0.2 -0.2 0.0  
MONTH TO DATE 0.2 1.7 -1.5 0.3  
SINCE DEC 1 0.2 1.7 -1.5 0.3  
SINCE JUL 1 3.1 3.7 -0.6 3.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 18 32 -14 14  
MONTH TO DATE 297 250 47 194  
SINCE DEC 1 297 250 47 194  
SINCE JUL 1 1064 1401 -337 1158  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1212 1003 209 1145    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 9.7  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 8:00 AM  
LOWEST 51 3:00 PM  
AVERAGE 62  
   
......................................................  
 
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 2024......SUNRISE 7:07 AM CST SUNSET 4:20 PM CST  
DECEMBER 9 2024......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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