707  
CDUS43 KLOT 012233  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CST MON JAN 01 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 1 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 32 10:00 AM 65 1876 33 -1 45  
MINIMUM 30 3:59 PM -10 1969 21 9 37  
AVERAGE 31 27 4 41  
 
PRECIPITATION (IN)  
TODAY T 1.33 1948 0.07 -0.07 0.16  
MONTH TO DATE T 0.07 -0.07 0.16  
SINCE DEC 1 2.97 2.18 0.79 2.32  
SINCE JAN 1 T 0.07 -0.07 0.16  
 
SNOWFALL (IN)  
TODAY T 5.0 1918 0.3 -0.3 0.0  
MONTH TO DATE T 0.3 -0.3 0.0  
SINCE DEC 1 1.2 7.9 -6.7 3.2  
SINCE JUL 1 3.9 9.9 -6.0 4.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 34 38 -4 24  
MONTH TO DATE 34 38 -4 24  
SINCE DEC 1 832 1107 -275 1125  
SINCE JUL 1 1796 2258 -462 2190  
 
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 18 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 10.2  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 4:00 AM  
LOWEST 66 12:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 61 2004  
MINIMUM TEMPERATURE (F) 21 -16 1879  
 
SUNRISE AND SUNSET  
JANUARY 1 2024.......SUNRISE 7:20 AM CST SUNSET 4:31 PM CST  
JANUARY 2 2024.......SUNRISE 7:20 AM CST SUNSET 4:31 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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