937  
CDUS43 KLOT 280636  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1236 AM CST WED FEB 28 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 27 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 74 3:08 PM 75 1976 40 34 58  
MINIMUM 52 10:29 PM -6 1879 26 26 38  
1897  
AVERAGE 63 33 30 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.45 1.08 1876 0.09 0.36 1.01  
MONTH TO DATE 0.63 1.89 -1.26 3.83  
SINCE DEC 1 7.10 5.99 1.11 8.59  
SINCE JAN 1 4.13 3.88 0.25 6.43  
 
SNOWFALL (IN)  
YESTERDAY T 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  
YESTERDAY 2 32 -30 17  
MONTH TO DATE 673 984 -311 844  
SINCE DEC 1 2664 3287 -623 2950  
SINCE JUL 1 3628 4438 -810 4015  
 
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 29 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 13.5  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
HAIL  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 8:00 AM  
LOWEST 57 2:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 62 2016  
MINIMUM TEMPERATURE (F) 26 -10 2015  
 
SUNRISE AND SUNSET  
FEBRUARY 28 2024......SUNRISE 6:29 AM CST SUNSET 5:40 PM CST  
FEBRUARY 29 2024......SUNRISE 6:27 AM CST SUNSET 5:41 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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