088  
CDUS43 KLOT 282241  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
441 PM CST SAT DEC 28 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 28 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 51 3:49 PM 69 1984 34 17 42  
MINIMUM 47 10:20 AM -13 1924 22 25 34  
AVERAGE 49 28 21 38  
 
PRECIPITATION (IN)  
TODAY T 1.47 2015 0.07 -0.07 0.13  
MONTH TO DATE 0.89 1.92 -1.03 2.75  
SINCE DEC 1 0.89 1.92 -1.03 2.75  
SINCE JAN 1 33.88 37.67 -3.79 33.51  
 
SNOWFALL (IN)  
TODAY 0.0 8.0 1987 0.3 -0.3 0.0  
MONTH TO DATE 2.4 6.7 -4.3 0.3  
SINCE DEC 1 2.4 6.7 -4.3 0.3  
SINCE JUL 1 5.3 8.7 -3.4 3.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 16 37 -21 27  
MONTH TO DATE 932 955 -23 705  
SINCE DEC 1 932 955 -23 705  
SINCE JUL 1 1699 2106 -407 1669  
 
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 24 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 15.3  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 12:00 AM  
LOWEST 68 1:00 PM  
AVERAGE 79  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 63 1984  
MINIMUM TEMPERATURE (F) 21 -15 1880  
 
SUNRISE AND SUNSET  
DECEMBER 28 2024......SUNRISE 7:19 AM CST SUNSET 4:28 PM CST  
DECEMBER 29 2024......SUNRISE 7:19 AM CST SUNSET 4:29 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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