189  
CDUS43 KLOT 072138  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
438 PM CDT MON AUG 07 2023  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 7 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 80 2:59 PM 99 1918 84 -4 83  
MINIMUM 67 1:00 AM 50 1990 66 1 75  
1994  
AVERAGE 74 75 -1 79  
 
PRECIPITATION (IN)  
TODAY 0.00 2.36 2018 0.12 -0.12 0.20  
MONTH TO DATE 0.13 0.98 -0.85 0.20  
SINCE JUN 1 10.10 8.79 1.31 7.36  
SINCE JAN 1 23.06 23.44 -0.38 23.26  
 
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 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 9 10 -1 14  
MONTH TO DATE 73 70 3 104  
SINCE JUN 1 615 595 20 661  
SINCE JAN 1 708 665 43 806    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 11.1  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 1:00 AM  
LOWEST 52 2:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 100 1934  
MINIMUM TEMPERATURE (F) 66 52 1976  
 
SUNRISE AND SUNSET  
AUGUST 7 2023........SUNRISE 5:51 AM CDT SUNSET 8:03 PM CDT  
AUGUST 8 2023........SUNRISE 5:52 AM CDT SUNSET 8:02 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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