130  
CDUS43 KLOT 132135  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
435 PM CDT FRI SEP 13 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 13 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 85 1:55 PM 98 1939 77 8 72  
MINIMUM 66 5:09 AM 39 1890 58 8 54  
AVERAGE 76 68 8 63  
 
PRECIPITATION (IN)  
TODAY 0.00 6.64 2008 0.10 -0.10 0.00  
MONTH TO DATE 0.04 1.43 -1.39 0.89  
SINCE SEP 1 0.04 1.43 -1.39 0.89  
SINCE JAN 1 26.90 28.14 -1.24 25.15  
 
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 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 2  
MONTH TO DATE 14 12 2 4  
SINCE SEP 1 14 12 2 4  
SINCE JUL 1 14 18 -4 6  
 
COOLING  
TODAY 11 4 7 0  
MONTH TO DATE 63 71 -8 94  
SINCE SEP 1 63 71 -8 94  
SINCE JAN 1 1049 943 106 1028    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 8.8  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 7:00 AM  
LOWEST 37 12:00 PM  
AVERAGE 57  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 99 1939  
MINIMUM TEMPERATURE (F) 58 40 1985  
 
SUNRISE AND SUNSET  
SEPTEMBER 13 2024.....SUNRISE 6:30 AM CDT SUNSET 7:04 PM CDT  
SEPTEMBER 14 2024.....SUNRISE 6:31 AM CDT SUNSET 7:02 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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