628  
CDUS43 KLOT 022257  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
457 PM CST TUE JAN 02 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 2 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 1:51 PM 61 2004 33 6 43  
MINIMUM 26 7:14 AM -16 1879 21 5 32  
AVERAGE 33 27 6 38  
 
PRECIPITATION (IN)  
TODAY 0.00 1.24 1999 0.06 -0.06 0.00  
MONTH TO DATE T 0.13 -0.13 0.16  
SINCE DEC 1 2.97 2.24 0.73 2.32  
SINCE JAN 1 T 0.13 -0.13 0.16  
 
SNOWFALL (IN)  
TODAY 0.0 18.6 1999 0.3 -0.3 0.0  
MONTH TO DATE T 0.6 -0.6 0.0  
SINCE DEC 1 1.2 8.2 -7.0 3.2  
SINCE JUL 1 3.9 10.2 -6.3 4.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 32 38 -6 27  
MONTH TO DATE 67 76 -9 51  
SINCE DEC 1 865 1145 -280 1152  
SINCE JUL 1 1829 2296 -467 2217  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 13.3  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 7:00 AM  
LOWEST 64 2:00 PM  
AVERAGE 74  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 60 1874  
1950  
MINIMUM TEMPERATURE (F) 20 -18 1879  
 
SUNRISE AND SUNSET  
JANUARY 2 2024.......SUNRISE 7:20 AM CST SUNSET 4:31 PM CST  
JANUARY 3 2024.......SUNRISE 7:20 AM CST SUNSET 4:32 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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