976  
CDUS43 KLOT 100633  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT THU AUG 10 2023  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR AUGUST 9 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1928 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 79 1:11 PM 104 1934 84 -5 78  
MINIMUM 66 5:24 AM 51 1972 67 -1 65  
AVERAGE 73 75 -2 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.13 1984 0.13 -0.13 0.00  
MONTH TO DATE 0.36 1.10 -0.74 0.29  
SINCE JUN 1 13.72 8.66 5.06 8.39  
SINCE JAN 1 23.25 21.14 2.11 22.39  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 16 25 -9 1  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
YESTERDAY 8 10 -2 7  
MONTH TO DATE 89 97 -8 141  
SINCE JUN 1 656 672 -16 852  
SINCE JAN 1 755 754 1 1037    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 6:00 AM  
LOWEST 60 12:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 99 1944  
MINIMUM TEMPERATURE (F) 67 49 1972  
 
SUNRISE AND SUNSET  
AUGUST 10 2023........SUNRISE 5:54 AM CDT SUNSET 7:58 PM CDT  
AUGUST 11 2023........SUNRISE 5:55 AM CDT SUNSET 7:57 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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