179  
CDUS43 KLOT 050640  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
140 AM CDT SAT AUG 05 2023  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 4 2023
 
 
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)  
YESTERDAY  
MAXIMUM 86 11:33 AM 100 1947 84 2 83  
MINIMUM 70 11:32 PM 53 1880 66 4 69  
1894  
1992  
AVERAGE 78 75 3 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.47 1989 0.14 -0.14 T  
MONTH TO DATE 0.00 0.58 -0.58 T  
SINCE JUN 1 9.97 8.39 1.58 7.16  
SINCE JAN 1 22.93 23.04 -0.11 23.06  
 
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 0.0 0.0 0.0 T  
SINCE JUL 1 0.0 0.0 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 13 10 3 11  
MONTH TO DATE 51 40 11 57  
SINCE JUN 1 593 565 28 614  
SINCE JAN 1 686 635 51 759    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 6:00 AM  
LOWEST 43 4:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 102 1918  
MINIMUM TEMPERATURE (F) 66 51 1994  
 
SUNRISE AND SUNSET  
AUGUST 5 2023........SUNRISE 5:49 AM CDT SUNSET 8:06 PM CDT  
AUGUST 6 2023........SUNRISE 5:50 AM CDT SUNSET 8:04 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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