181  
CDUS43 KLOT 262245  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
445 PM CST TUE DEC 26 2023  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 26 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 50 12:02 AM 61 2019 34 16 22  
MINIMUM 38 3:59 PM -11 1983 22 16 11  
AVERAGE 44 28 16 17  
 
PRECIPITATION (IN)  
TODAY 0.01 0.98 1888 0.06 -0.05 T  
MONTH TO DATE 2.62 1.79 0.83 2.16  
SINCE DEC 1 2.62 1.79 0.83 2.16  
SINCE JAN 1 33.38 37.54 -4.16 31.99  
 
SNOWFALL (IN)  
TODAY 0.0 5.6 2009 0.2 -0.2 T  
MONTH TO DATE 0.3 6.1 -5.8 3.2  
SINCE DEC 1 0.3 6.1 -5.8 3.2  
SINCE JUL 1 3.0 8.1 -5.1 4.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 21 37 -16 48  
MONTH TO DATE 646 881 -235 956  
SINCE DEC 1 646 881 -235 956  
SINCE JUL 1 1610 2032 -422 2021  
 
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 18 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 9.3  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 12:00 AM  
LOWEST 76 11:00 AM  
AVERAGE 87  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 61 1982  
2008  
MINIMUM TEMPERATURE (F) 22 -10 1886  
1950  
 
SUNRISE AND SUNSET  
DECEMBER 26 2023......SUNRISE 7:18 AM CST SUNSET 4:26 PM CST  
DECEMBER 27 2023......SUNRISE 7:19 AM CST SUNSET 4:27 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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