890  
CDUS43 KLOT 282132  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
432 PM CDT MON AUG 28 2023  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 28 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 82 1:57 PM 97 1953 81 1 89  
1955  
MINIMUM 59 5:33 AM 42 1986 63 -4 68  
AVERAGE 71 72 -1 79  
 
PRECIPITATION (IN)  
TODAY 0.00 1.45 1932 0.13 -0.13 0.38  
MONTH TO DATE 1.33 3.84 -2.51 1.79  
SINCE JUN 1 11.30 11.65 -0.35 8.95  
SINCE JAN 1 24.26 26.30 -2.04 24.85  
 
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 0.0 0.0 0.0 T  
SINCE JUL 1 0.0 0.0 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 25 33 -8 7  
SINCE JUL 1 0 2 -2 0  
 
COOLING  
TODAY 6 8 -2 14  
MONTH TO DATE 287 256 31 269  
SINCE JUN 1 829 781 48 826  
SINCE JAN 1 922 851 71 971    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 3.7  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 3:00 AM  
LOWEST 39 12:00 PM  
AVERAGE 61  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 98 1953  
MINIMUM TEMPERATURE (F) 63 43 1965  
1982  
 
SUNRISE AND SUNSET  
AUGUST 28 2023........SUNRISE 6:13 AM CDT SUNSET 7:32 PM CDT  
AUGUST 29 2023........SUNRISE 6:14 AM CDT SUNSET 7:30 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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