443  
CDUS43 KLOT 282315  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
515 PM CST WED FEB 28 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 28 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 53 12:09 AM 62 2016 41 12 52  
MINIMUM 20 10:12 AM -10 2015 26 -6 38  
AVERAGE 37 33 4 45  
 
PRECIPITATION (IN)  
TODAY 0.02 1.35 1882 0.08 -0.06 T  
MONTH TO DATE 0.65 1.97 -1.32 3.83  
SINCE DEC 1 7.12 6.07 1.05 8.59  
SINCE JAN 1 4.15 3.96 0.19 6.43  
 
SNOWFALL (IN)  
TODAY T 11.3 1900 0.3 -0.3 0.0  
MONTH TO DATE 1.2 10.7 -9.5 3.7  
SINCE DEC 1 18.5 29.6 -11.1 16.8  
SINCE JUL 1 21.2 31.6 -10.4 17.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 28 32 -4 20  
MONTH TO DATE 701 1016 -315 864  
SINCE DEC 1 2692 3319 -627 2970  
SINCE JUL 1 3656 4470 -814 4035  
 
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 29 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 18.1  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
LIGHT SNOW  
SLEET  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 12:00 AM  
LOWEST 38 4:00 PM  
AVERAGE 61  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 65 1972  
MINIMUM TEMPERATURE (F) 26 -3 1884  
 
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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