383  
CDUS43 KLOT 190646  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1246 AM CST MON FEB 19 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 18 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 46 3:31 PM 70 2017 37 9 44  
MINIMUM 24 5:40 AM -14 1936 23 1 25  
AVERAGE 35 30 5 35  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.15 1908 0.07 -0.07 0.00  
MONTH TO DATE 0.10 1.17 -1.07 1.56  
SINCE DEC 1 6.57 5.27 1.30 6.32  
SINCE JAN 1 3.60 3.16 0.44 4.16  
 
SNOWFALL (IN)  
YESTERDAY 0.0 11.5 1908 0.4 -0.4 0.0  
MONTH TO DATE T 7.4 -7.4 2.0  
SINCE DEC 1 17.3 26.3 -9.0 15.1  
SINCE JUL 1 20.0 28.3 -8.3 16.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 30 35 -5 30  
MONTH TO DATE 506 682 -176 586  
SINCE DEC 1 2497 2985 -488 2692  
SINCE JUL 1 3461 4136 -675 3757  
 
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 23 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 11.7  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 8:00 AM  
LOWEST 32 3:00 PM  
AVERAGE 50  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 69 2017  
MINIMUM TEMPERATURE (F) 23 -8 2015  
 
SUNRISE AND SUNSET  
FEBRUARY 19 2024......SUNRISE 6:42 AM CST SUNSET 5:29 PM CST  
FEBRUARY 20 2024......SUNRISE 6:41 AM CST SUNSET 5:30 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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