699  
CDUS43 KLOT 032134  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CDT TUE SEP 03 2024  
   
...............................  
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 3 2024  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1928 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 78 1:37 PM 97 1953 80 -2 93  
MINIMUM 60 6:09 AM 47 1974 63 -3 68  
AVERAGE 69 72 -3 81  
 
PRECIPITATION (IN)  
TODAY 0.00 1.92 1961 0.10 -0.10 0.00  
MONTH TO DATE 0.00 0.33 -0.33 0.00  
SINCE SEP 1 0.00 0.33 -0.33 0.00  
SINCE JAN 1 29.47 24.36 5.11 25.61  
 
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 0 4 -4 1  
 
COOLING  
TODAY 4 7 -3 16  
MONTH TO DATE 13 22 -9 34  
SINCE SEP 1 13 22 -9 34  
SINCE JAN 1 1136 978 158 996    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 2:00 AM  
LOWEST 31 1:00 PM  
AVERAGE 49  
   
......................................................  
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 95 1954  
1960  
MINIMUM TEMPERATURE (F) 63 43 1938  
 
SUNRISE AND SUNSET  
SEPTEMBER 3 2024.....SUNRISE 6:19 AM CDT SUNSET 7:20 PM CDT  
SEPTEMBER 4 2024.....SUNRISE 6:20 AM CDT SUNSET 7:18 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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