695  
CDUS43 KLOT 020631  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT WED OCT 02 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 1 2024  
 
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)  
YESTERDAY  
MAXIMUM 70 3:03 PM 92 1971 69 1 87  
MINIMUM 55 11:59 PM 32 1886 51 4 63  
1974  
AVERAGE 63 60 3 75  
 
PRECIPITATION (IN)  
YESTERDAY 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)  
YESTERDAY 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  
YESTERDAY 2 6 -4 0  
MONTH TO DATE 2 6 -4 0  
SINCE SEP 1 17 83 -66 13  
SINCE JUL 1 17 89 -72 15  
 
COOLING  
YESTERDAY 0 1 -1 10  
MONTH TO DATE 0 1 -1 10  
SINCE SEP 1 190 117 73 165  
SINCE JAN 1 1176 989 187 1099    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 10.9  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 3:00 AM  
LOWEST 31 4:00 PM  
AVERAGE 61  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 91 1971  
MINIMUM TEMPERATURE (F) 51 28 1974  
 
SUNRISE AND SUNSET  
OCTOBER 2 2024.......SUNRISE 6:50 AM CDT SUNSET 6:31 PM CDT  
OCTOBER 3 2024.......SUNRISE 6:51 AM CDT SUNSET 6:29 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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