643  
CDUS43 KLOT 052234  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CST THU DEC 05 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 5 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 29 2:42 PM 68 2001 40 -11 41  
MINIMUM 12 7:47 AM 4 2005 27 -15 32  
AVERAGE 21 33 -12 37  
 
PRECIPITATION (IN)  
TODAY 0.00 1.10 1906 0.08 -0.08 0.12  
MONTH TO DATE T 0.39 -0.39 1.06  
SINCE DEC 1 T 0.39 -0.39 1.06  
SINCE JAN 1 32.99 36.14 -3.15 31.82  
 
SNOWFALL (IN)  
TODAY 0.0 3.9 1977 0.3 -0.3 0.3  
MONTH TO DATE 0.2 1.1 -0.9 0.3  
SINCE DEC 1 0.2 1.1 -0.9 0.3  
SINCE JUL 1 3.1 3.1 0.0 3.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 44 32 12 28  
MONTH TO DATE 210 154 56 130  
SINCE DEC 1 210 154 56 130  
SINCE JUL 1 977 1305 -328 1094  
 
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 26 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 16.4  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 58 8:00 AM  
LOWEST 48 2:00 PM  
AVERAGE 53  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 65 1951  
1980  
MINIMUM TEMPERATURE (F) 27 0 1885  
1972  
2007  
 
SUNRISE AND SUNSET  
DECEMBER 5 2024......SUNRISE 7:05 AM CST SUNSET 4:20 PM CST  
DECEMBER 6 2024......SUNRISE 7:05 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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