276  
CDUS43 KLOT 290639  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
139 AM CDT THU AUG 29 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 28 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 84 3:04 PM 97 1953 81 3 82  
1955  
MINIMUM 71 2:33 AM 42 1986 63 8 59  
AVERAGE 78 72 6 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.18 1.45 1932 0.13 0.05 0.00  
MONTH TO DATE 2.32 3.84 -1.52 1.33  
SINCE JUN 1 11.31 11.65 -0.34 11.30  
SINCE JAN 1 26.58 26.30 0.28 24.26  
 
SNOWFALL (IN)  
YESTERDAY 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  
YESTERDAY 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  
YESTERDAY 13 8 5 6  
MONTH TO DATE 278 256 22 287  
SINCE JUN 1 872 781 91 829  
SINCE JAN 1 952 851 101 922    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 8.5  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 2:00 AM  
LOWEST 61 3:00 PM  
AVERAGE 79  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 98 1953  
MINIMUM TEMPERATURE (F) 63 43 1965  
1982  
 
SUNRISE AND SUNSET  
AUGUST 29 2024........SUNRISE 6:15 AM CDT SUNSET 7:29 PM CDT  
AUGUST 30 2024........SUNRISE 6:16 AM CDT SUNSET 7:28 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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