095  
CDUS43 KLOT 242239  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
439 PM CST SUN DEC 24 2023  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 24 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 55 3:06 PM 64 1889 34 21 14  
MINIMUM 48 1:17 AM -25 1983 23 25 -1  
AVERAGE 52 28 24 7  
 
PRECIPITATION (IN)  
TODAY T 2.61 1965 0.07 -0.07 0.00  
MONTH TO DATE 2.22 1.67 0.55 2.16  
SINCE DEC 1 2.22 1.67 0.55 2.16  
SINCE JAN 1 32.98 37.42 -4.44 31.99  
 
SNOWFALL (IN)  
TODAY 0.0 7.1 1918 0.3 -0.3 0.0  
MONTH TO DATE 0.3 5.6 -5.3 3.2  
SINCE DEC 1 0.3 5.6 -5.3 3.2  
SINCE JUL 1 3.0 7.6 -4.6 4.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 13 37 -24 58  
MONTH TO DATE 615 807 -192 851  
SINCE DEC 1 615 807 -192 851  
SINCE JUL 1 1579 1958 -379 1916  
 
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 15 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 80 2:00 PM  
AVERAGE 90  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 64 1982  
MINIMUM TEMPERATURE (F) 22 -17 1983  
 
SUNRISE AND SUNSET  
DECEMBER 24 2023......SUNRISE 7:17 AM CST SUNSET 4:25 PM CST  
DECEMBER 25 2023......SUNRISE 7:18 AM CST SUNSET 4:25 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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