206  
CDUS43 KLOT 050641  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1241 AM CST FRI JAN 05 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 4 2024
 
 
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)  
YESTERDAY  
MAXIMUM 37 2:39 PM 64 1997 32 5 44  
MINIMUM 24 6:08 AM -14 1884 20 4 33  
AVERAGE 31 26 5 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.20 1993 0.07 -0.07 T  
MONTH TO DATE T 0.27 -0.27 1.28  
SINCE DEC 1 2.97 2.38 0.59 3.44  
SINCE JAN 1 T 0.27 -0.27 1.28  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.6 2004 0.3 -0.3 0.0  
MONTH TO DATE T 1.2 -1.2 T  
SINCE DEC 1 1.2 8.8 -7.6 3.2  
SINCE JUL 1 3.9 10.8 -6.9 4.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 34 39 -5 26  
MONTH TO DATE 132 153 -21 98  
SINCE DEC 1 930 1222 -292 1199  
SINCE JUL 1 1894 2373 -479 2264  
 
COOLING  
YESTERDAY 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 16 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 3:00 AM  
LOWEST 49 2:00 PM  
AVERAGE 62  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 56 1890  
MINIMUM TEMPERATURE (F) 20 -18 1884  
 
SUNRISE AND SUNSET  
JANUARY 5 2024.......SUNRISE 7:20 AM CST SUNSET 4:34 PM CST  
JANUARY 6 2024.......SUNRISE 7:20 AM CST SUNSET 4:35 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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