732  
CDUS43 KLOT 030634  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1234 AM CST SUN DEC 03 2023  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 2 2023
 
 
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)  
YESTERDAY  
MAXIMUM 43 1:21 PM 71 1982 41 2 53  
MINIMUM 39 8:12 AM -1 1893 28 11 36  
1942  
AVERAGE 41 34 7 45  
 
PRECIPITATION (IN)  
YESTERDAY T 4.47 1982 0.08 -0.08 T  
MONTH TO DATE 0.66 0.16 0.50 T  
SINCE DEC 1 0.66 0.16 0.50 T  
SINCE JAN 1 31.42 35.91 -4.49 29.83  
 
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 2.7 2.4 0.3 1.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 30 -6 20  
MONTH TO DATE 47 60 -13 58  
SINCE DEC 1 47 60 -13 58  
SINCE JUL 1 1011 1211 -200 1123  
 
COOLING  
YESTERDAY 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 14 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 12:00 AM  
LOWEST 76 4:00 PM  
AVERAGE 85  
   
......................................................
 
 
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 2023......SUNRISE 7:02 AM CST SUNSET 4:21 PM CST  
DECEMBER 4 2023......SUNRISE 7:03 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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