544  
CDUS43 KLOT 012133  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CDT TUE OCT 01 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 1 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 70 2:35 PM 92 1971 69 1 87  
MINIMUM 61 8:51 AM 32 1886 51 10 63  
1974  
AVERAGE 66 60 6 75  
 
PRECIPITATION (IN)  
TODAY 0.00 1.56 2018 0.11 -0.11 0.00  
MONTH TO DATE 0.00 0.11 -0.11 0.00  
SINCE SEP 1 1.32 3.30 -1.98 3.36  
SINCE JAN 1 28.18 30.01 -1.83 27.62  
 
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 6 -6 0  
MONTH TO DATE 0 6 -6 0  
SINCE SEP 1 15 83 -68 13  
SINCE JUL 1 15 89 -74 15  
 
COOLING  
TODAY 1 1 0 10  
MONTH TO DATE 1 1 0 10  
SINCE SEP 1 191 117 74 165  
SINCE JAN 1 1177 989 188 1099    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 12.2  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 3:00 AM  
LOWEST 31 3:00 PM  
AVERAGE 61  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 91 1971  
MINIMUM TEMPERATURE (F) 51 28 1974  
 
SUNRISE AND SUNSET  
OCTOBER 1 2024.......SUNRISE 6:49 AM CDT SUNSET 6:32 PM CDT  
OCTOBER 2 2024.......SUNRISE 6:50 AM CDT SUNSET 6:31 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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