986  
CDUS43 KLOT 252238  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
438 PM CST WED DEC 25 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 25 2024  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 39 2:16 PM 64 1982 34 5 59  
MINIMUM 32 4:04 AM -17 1983 22 10 50  
AVERAGE 36 28 8 55  
 
PRECIPITATION (IN)  
TODAY 0.00 0.50 1909 0.06 -0.06 0.39  
1950  
MONTH TO DATE 0.58 1.73 -1.15 2.61  
SINCE DEC 1 0.58 1.73 -1.15 2.61  
SINCE JAN 1 33.57 37.48 -3.91 33.37  
 
SNOWFALL (IN)  
TODAY 0.0 5.1 1950 0.3 -0.3 0.0  
MONTH TO DATE 2.4 5.9 -3.5 0.3  
SINCE DEC 1 2.4 5.9 -3.5 0.3  
SINCE JUL 1 5.3 7.9 -2.6 3.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 29 37 -8 10  
MONTH TO DATE 878 844 34 625  
SINCE DEC 1 878 844 34 625  
SINCE JUL 1 1645 1995 -350 1589  
 
COOLING  
TODAY 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 12 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 3:00 PM  
LOWEST 67 11:00 AM  
AVERAGE 76  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 61 2019  
MINIMUM TEMPERATURE (F) 22 -11 1983  
 
SUNRISE AND SUNSET  
DECEMBER 25 2024......SUNRISE 7:18 AM CST SUNSET 4:26 PM CST  
DECEMBER 26 2024......SUNRISE 7:18 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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