327  
CDUS43 KLOT 292238  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
438 PM CST SUN DEC 29 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 29 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 46 5:27 AM 63 1984 33 13 40  
MINIMUM 41 3:59 PM -15 1880 21 20 31  
AVERAGE 44 27 17 36  
 
PRECIPITATION (IN)  
TODAY 0.47 0.93 2019 0.06 0.41 0.14  
MONTH TO DATE 1.36 1.98 -0.62 2.89  
SINCE DEC 1 1.36 1.98 -0.62 2.89  
SINCE JAN 1 34.35 37.73 -3.38 33.65  
 
SNOWFALL (IN)  
TODAY 0.0 5.8 2000 0.3 -0.3 0.0  
MONTH TO DATE 2.4 7.0 -4.6 0.3  
SINCE DEC 1 2.4 7.0 -4.6 0.3  
SINCE JUL 1 5.3 9.0 -3.7 3.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 21 38 -17 29  
MONTH TO DATE 955 993 -38 734  
SINCE DEC 1 955 993 -38 734  
SINCE JUL 1 1722 2144 -422 1698  
 
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 17 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1:00 PM  
LOWEST 90 5:00 AM  
AVERAGE 94  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 61 1884  
MINIMUM TEMPERATURE (F) 21 -7 1909  
 
SUNRISE AND SUNSET  
DECEMBER 29 2024......SUNRISE 7:19 AM CST SUNSET 4:29 PM CST  
DECEMBER 30 2024......SUNRISE 7:19 AM CST SUNSET 4:30 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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