174  
CDUS43 KLOT 200633  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1233 AM CST TUE FEB 20 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 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 50 4:37 PM 69 2017 37 13 51  
MINIMUM 23 5:49 AM -8 2015 23 0 38  
AVERAGE 37 30 7 45  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.95 1994 0.08 -0.08 0.00  
MONTH TO DATE 0.10 1.25 -1.15 1.56  
SINCE DEC 1 6.57 5.35 1.22 6.32  
SINCE JAN 1 3.60 3.24 0.36 4.16  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.0 1898 0.3 -0.3 0.0  
MONTH TO DATE T 7.7 -7.7 2.0  
SINCE DEC 1 17.3 26.6 -9.3 15.1  
SINCE JUL 1 20.0 28.6 -8.6 16.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 35 -7 20  
MONTH TO DATE 534 717 -183 606  
SINCE DEC 1 2525 3020 -495 2712  
SINCE JUL 1 3489 4171 -682 3777  
 
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 12 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 3.8  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 8:00 AM  
LOWEST 31 12:00 PM  
AVERAGE 53  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 70 2017  
MINIMUM TEMPERATURE (F) 23 -9 1896  
 
SUNRISE AND SUNSET  
FEBRUARY 20 2024......SUNRISE 6:41 AM CST SUNSET 5:30 PM CST  
FEBRUARY 21 2024......SUNRISE 6:40 AM CST SUNSET 5:31 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page