829  
CDUS43 KLOT 152132  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
432 PM CDT SUN SEP 15 2024  
   
...............................  
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 15 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 89 2:26 PM 102 1939 77 12 77  
MINIMUM 69 6:02 AM 41 1949 59 10 54  
AVERAGE 79 68 11 66  
 
PRECIPITATION (IN)  
TODAY 0.00 1.07 1936 0.08 -0.08 0.00  
MONTH TO DATE T 1.43 -1.43 1.52  
SINCE SEP 1 T 1.43 -1.43 1.52  
SINCE JAN 1 29.47 25.46 4.01 27.13  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 0  
MONTH TO DATE 10 11 -1 7  
SINCE SEP 1 10 11 -1 7  
SINCE JUL 1 10 15 -5 8  
 
COOLING  
TODAY 14 4 10 1  
MONTH TO DATE 104 90 14 88  
SINCE SEP 1 104 90 14 88  
SINCE JAN 1 1227 1046 181 1050    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 4:00 AM  
LOWEST 30 12:00 PM  
AVERAGE 51  
   
......................................................  
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 93 1931  
MINIMUM TEMPERATURE (F) 59 39 1984  
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2024.....SUNRISE 6:32 AM CDT SUNSET 6:59 PM CDT  
SEPTEMBER 16 2024.....SUNRISE 6:33 AM CDT SUNSET 6:58 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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