123  
CDUS43 KLOT 272234  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CST TUE FEB 27 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 27 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 74 3:08 PM 75 1976 40 34 58  
MINIMUM 55 7:17 AM -6 1879 26 29 38  
1897  
AVERAGE 65 33 32 48  
 
PRECIPITATION (IN)  
TODAY 0.00 1.08 1876 0.09 -0.09 1.01  
MONTH TO DATE 0.18 1.89 -1.71 3.83  
SINCE DEC 1 6.65 5.99 0.66 8.59  
SINCE JAN 1 3.68 3.88 -0.20 6.43  
 
SNOWFALL (IN)  
TODAY 0.0 2.9 1954 0.3 -0.3 0.0  
MONTH TO DATE 1.2 10.4 -9.2 3.7  
SINCE DEC 1 18.5 29.3 -10.8 16.8  
SINCE JUL 1 21.2 31.3 -10.1 17.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 32 -32 17  
MONTH TO DATE 671 984 -313 844  
SINCE DEC 1 2662 3287 -625 2950  
SINCE JUL 1 3626 4438 -812 4015  
 
COOLING  
TODAY 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 22 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 14.7  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 8:00 AM  
LOWEST 57 2:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 62 2016  
MINIMUM TEMPERATURE (F) 26 -10 2015  
 
SUNRISE AND SUNSET  
FEBRUARY 27 2024......SUNRISE 6:30 AM CST SUNSET 5:39 PM CST  
FEBRUARY 28 2024......SUNRISE 6:29 AM CST SUNSET 5:40 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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