127  
CDUS43 KLOT 012255  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
455 PM CST FRI DEC 01 2023  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 1 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 44 11:15 AM 68 1970 41 3 36  
MINIMUM 42 3:59 PM -6 1893 28 14 18  
AVERAGE 43 35 8 27  
 
PRECIPITATION (IN)  
TODAY 0.62 1.23 2006 0.08 0.54 0.00  
MONTH TO DATE 0.62 0.08 0.54 0.00  
SINCE DEC 1 0.62 0.08 0.54 0.00  
SINCE JAN 1 31.38 35.83 -4.45 29.83  
 
SNOWFALL (IN)  
TODAY 0.0 7.8 1978 0.2 -0.2 0.0  
MONTH TO DATE 0.0 0.2 -0.2 0.0  
SINCE DEC 1 0.0 0.2 -0.2 0.0  
SINCE JUL 1 2.7 2.2 0.5 1.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 22 30 -8 38  
MONTH TO DATE 22 30 -8 38  
SINCE DEC 1 22 30 -8 38  
SINCE JUL 1 986 1181 -195 1103  
 
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 17 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 5:00 AM  
LOWEST 76 12:00 AM  
AVERAGE 86  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 71 1982  
MINIMUM TEMPERATURE (F) 28 -1 1893  
1942  
 
SUNRISE AND SUNSET  
DECEMBER 1 2023......SUNRISE 7:00 AM CST SUNSET 4:21 PM CST  
DECEMBER 2 2023......SUNRISE 7:01 AM CST SUNSET 4:21 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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