908  
CDUS43 KLOT 180634  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1234 AM CST SUN FEB 18 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 17 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 29 4:15 PM 67 2017 36 -7 26  
MINIMUM 13 7:29 AM -11 1903 22 -9 17  
AVERAGE 21 29 -8 22  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.10 2008 0.07 -0.07 0.00  
MONTH TO DATE 0.10 1.10 -1.00 1.56  
SINCE DEC 1 6.57 5.20 1.37 6.32  
SINCE JAN 1 3.60 3.09 0.51 4.16  
 
SNOWFALL (IN)  
YESTERDAY 0.0 8.5 1893 0.3 -0.3 0.0  
MONTH TO DATE T 7.0 -7.0 2.0  
SINCE DEC 1 17.3 25.9 -8.6 15.1  
SINCE JUL 1 20.0 27.9 -7.9 16.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 44 36 8 43  
MONTH TO DATE 476 647 -171 556  
SINCE DEC 1 2467 2950 -483 2662  
SINCE JUL 1 3431 4101 -670 3727  
 
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 SW (240)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 16.2  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 65 8:00 PM  
LOWEST 42 4:00 PM  
AVERAGE 54  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 70 2017  
MINIMUM TEMPERATURE (F) 23 -14 1936  
 
SUNRISE AND SUNSET  
FEBRUARY 18 2024......SUNRISE 6:44 AM CST SUNSET 5:28 PM CST  
FEBRUARY 19 2024......SUNRISE 6:42 AM CST SUNSET 5:29 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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