817  
CDUS43 KLOT 150641  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1241 AM CST MON JAN 15 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 14 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 3 12:53 AM 60 1928 31 -28 31  
MINIMUM -10 11:59 PM -14 1979 19 -29 24  
AVERAGE -3 25 -28 28  
 
PRECIPITATION (IN)  
YESTERDAY T 1.10 1871 0.07 -0.07 T  
MONTH TO DATE 2.12 0.95 1.17 1.32  
SINCE DEC 1 5.09 3.06 2.03 3.48  
SINCE JAN 1 2.12 0.95 1.17 1.32  
 
SNOWFALL (IN)  
YESTERDAY T 6.3 1929 0.4 -0.4 T  
MONTH TO DATE 14.2 4.6 9.6 0.4  
SINCE DEC 1 15.4 12.2 3.2 3.6  
SINCE JUL 1 18.1 14.2 3.9 4.7  
SNOW DEPTH 4  
 
DEGREE DAYS  
HEATING  
YESTERDAY 68 40 28 37  
MONTH TO DATE 506 548 -42 401  
SINCE DEC 1 1304 1617 -313 1502  
SINCE JUL 1 2268 2768 -500 2567  
 
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 26 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 16.2  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
HAZE  
BLOWING SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 12:00 AM  
LOWEST 62 1:00 AM  
AVERAGE 69  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 60 1949  
MINIMUM TEMPERATURE (F) 19 -19 1979  
 
SUNRISE AND SUNSET  
JANUARY 15 2024.......SUNRISE 7:17 AM CST SUNSET 4:45 PM CST  
JANUARY 16 2024.......SUNRISE 7:17 AM CST SUNSET 4:46 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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