168  
CDUS43 KLOT 142233  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CST SAT DEC 14 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 14 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 3:59 PM 66 1975 37 2 51  
MINIMUM 25 2:11 AM -9 1901 25 0 32  
AVERAGE 32 31 1 42  
 
PRECIPITATION (IN)  
TODAY T 1.43 2011 0.07 -0.07 0.00  
MONTH TO DATE T 1.03 -1.03 1.30  
SINCE DEC 1 T 1.03 -1.03 1.30  
SINCE JAN 1 32.99 36.78 -3.79 32.06  
 
SNOWFALL (IN)  
TODAY T 10.0 1951 0.2 -0.2 0.0  
MONTH TO DATE 0.2 3.1 -2.9 0.3  
SINCE DEC 1 0.2 3.1 -2.9 0.3  
SINCE JUL 1 3.1 5.1 -2.0 3.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 33 34 -1 23  
MONTH TO DATE 523 451 72 367  
SINCE DEC 1 523 451 72 367  
SINCE JUL 1 1290 1602 -312 1331  
 
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 18 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 11.8  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
SLEET  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 6:00 AM  
LOWEST 56 11:00 AM  
AVERAGE 64  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 66 2021  
MINIMUM TEMPERATURE (F) 25 -12 1901  
 
SUNRISE AND SUNSET  
DECEMBER 14 2024......SUNRISE 7:12 AM CST SUNSET 4:21 PM CST  
DECEMBER 15 2024......SUNRISE 7:13 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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