732  
CDUS43 KLOT 200633  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1233 AM CST SAT JAN 20 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 19 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 14 2:29 PM 57 1933 31 -17 42  
MINIMUM 5 11:59 PM -23 1985 18 -13 34  
AVERAGE 10 25 -15 38  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 1.72 1907 0.07 -0.03 0.14  
MONTH TO DATE 2.22 1.28 0.94 1.88  
SINCE DEC 1 5.19 3.39 1.80 4.04  
SINCE JAN 1 2.22 1.28 0.94 1.88  
 
SNOWFALL (IN)  
YESTERDAY 1.1 8.8 1963 0.4 0.7 T  
MONTH TO DATE 16.1 6.5 9.6 0.4  
SINCE DEC 1 17.3 14.1 3.2 3.6  
SINCE JUL 1 20.0 16.1 3.9 4.7  
SNOW DEPTH 5  
 
DEGREE DAYS  
HEATING  
YESTERDAY 55 40 15 27  
MONTH TO DATE 796 748 48 525  
SINCE DEC 1 1594 1817 -223 1626  
SINCE JUL 1 2558 2968 -410 2691  
 
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 20 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 14.0  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 3:00 AM  
LOWEST 58 2:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 63 1906  
MINIMUM TEMPERATURE (F) 18 -27 1985  
 
SUNRISE AND SUNSET  
JANUARY 20 2024.......SUNRISE 7:15 AM CST SUNSET 4:51 PM CST  
JANUARY 21 2024.......SUNRISE 7:14 AM CST SUNSET 4:52 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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