793  
CDUS43 KLOT 272242  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
542 PM CDT TUE AUG 27 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 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 99R 3:26 PM 97 1948 81 18 75  
1953  
1973  
MINIMUM 78 5:07 AM 47 1982 64 14 61  
AVERAGE 89 72 17 68  
 
PRECIPITATION (IN)  
TODAY 0.00 1.59 1923 0.13 -0.13 0.00  
MONTH TO DATE 1.50 3.71 -2.21 1.33  
SINCE JUN 1 10.49 11.52 -1.03 11.30  
SINCE JAN 1 25.76 26.17 -0.41 24.26  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 T 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 6 33 -27 25  
SINCE JUL 1 0 2 -2 0  
 
COOLING  
TODAY 24 8 16 3  
MONTH TO DATE 267 248 19 281  
SINCE JUN 1 861 773 88 823  
SINCE JAN 1 941 843 98 916    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 7.4  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 7:00 AM  
LOWEST 46 4:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 97 1953  
1955  
MINIMUM TEMPERATURE (F) 63 42 1986  
 
SUNRISE AND SUNSET  
AUGUST 27 2024........SUNRISE 6:13 AM CDT SUNSET 7:32 PM CDT  
AUGUST 28 2024........SUNRISE 6:14 AM CDT SUNSET 7:31 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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