606  
CDUS43 KLOT 022135  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
435 PM CDT SAT SEP 02 2023  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 2 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 89 2:48 PM 101 1953 80 9 86  
MINIMUM 64 6:08 AM 44 1946 62 2 70  
AVERAGE 77 71 6 78  
 
PRECIPITATION (IN)  
TODAY 0.00 1.55 2010 0.12 -0.12 0.00  
MONTH TO DATE 0.00 0.24 -0.24 0.00  
SINCE SEP 1 0.00 0.24 -0.24 0.00  
SINCE JAN 1 24.26 26.95 -2.69 25.11  
 
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 SEP 1 0.0 0.0 0.0 0.0  
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 SEP 1 0 0 0 0  
SINCE JUL 1 2 6 -4 0  
 
COOLING  
TODAY 12 6 6 13  
MONTH TO DATE 19 13 6 26  
SINCE SEP 1 19 13 6 26  
SINCE JAN 1 953 885 68 1027    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 7.7  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 6:00 AM  
LOWEST 35 3:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 97 1953  
MINIMUM TEMPERATURE (F) 62 47 1974  
 
SUNRISE AND SUNSET  
SEPTEMBER 2 2023.....SUNRISE 6:18 AM CDT SUNSET 7:24 PM CDT  
SEPTEMBER 3 2023.....SUNRISE 6:19 AM CDT SUNSET 7:22 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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