605  
CDUS43 KLOT 022135  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
435 PM CDT SAT SEP 02 2023  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 2 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 88 2:59 PM 101 1953 80 8 88  
MINIMUM 64 5:52 AM 44 1946 64 0 71  
AVERAGE 76 72 4 80  
 
PRECIPITATION (IN)  
TODAY 0.00 1.37 1934 0.11 -0.11 0.00  
MONTH TO DATE 0.00 0.23 -0.23 0.00  
SINCE SEP 1 0.00 0.23 -0.23 0.00  
SINCE JAN 1 25.61 24.26 1.35 23.92  
 
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 1 4 -3 0  
 
COOLING  
TODAY 11 7 4 15  
MONTH TO DATE 18 15 3 30  
SINCE SEP 1 18 15 3 30  
SINCE JAN 1 980 971 9 1302    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 6:00 AM  
LOWEST 35 3:00 PM  
AVERAGE 57  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 97 1953  
MINIMUM TEMPERATURE (F) 63 47 1974  
 
SUNRISE AND SUNSET  
SEPTEMBER 2 2023.....SUNRISE 6:18 AM CDT SUNSET 7:23 PM CDT  
SEPTEMBER 3 2023.....SUNRISE 6:19 AM CDT SUNSET 7:21 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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