017  
CDUS43 KLOT 030636  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1236 AM CST TUE DEC 03 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 2 2024
 
 
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)  
YESTERDAY  
MAXIMUM 25 3:22 PM 71 1982 41 -16 43  
MINIMUM 14 6:36 AM -1 1893 28 -14 39  
1942  
AVERAGE 20 34 -14 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 4.47 1982 0.08 -0.08 T  
MONTH TO DATE 0.00 0.16 -0.16 0.66  
SINCE DEC 1 0.00 0.16 -0.16 0.66  
SINCE JAN 1 32.99 35.91 -2.92 31.42  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.6 1991 0.2 -0.2 0.0  
MONTH TO DATE 0.0 0.4 -0.4 0.0  
SINCE DEC 1 0.0 0.4 -0.4 0.0  
SINCE JUL 1 2.9 2.4 0.5 2.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 45 30 15 24  
MONTH TO DATE 89 60 29 47  
SINCE DEC 1 89 60 29 47  
SINCE JUL 1 856 1211 -355 1011  
 
COOLING  
YESTERDAY 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 14 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 6:00 AM  
LOWEST 62 3:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 71 1970  
MINIMUM TEMPERATURE (F) 28 -5 1940  
 
SUNRISE AND SUNSET  
DECEMBER 3 2024......SUNRISE 7:03 AM CST SUNSET 4:21 PM CST  
DECEMBER 4 2024......SUNRISE 7:04 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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