878  
CDUS43 KLOT 040632  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT FRI OCT 04 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 3 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 80 1:44 PM 91 1954 69 11 87  
MINIMUM 54 6:29 AM 29 1974 50 4 64  
1981  
AVERAGE 67 59 8 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.95 1954 0.11 -0.11 0.00  
MONTH TO DATE 0.00 0.34 -0.34 0.00  
SINCE SEP 1 1.32 3.53 -2.21 3.36  
SINCE JAN 1 28.18 30.24 -2.06 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 0 7 -7 0  
MONTH TO DATE 7 20 -13 0  
SINCE SEP 1 22 97 -75 13  
SINCE JUL 1 22 103 -81 15  
 
COOLING  
YESTERDAY 2 1 1 11  
MONTH TO DATE 2 3 -1 31  
SINCE SEP 1 192 119 73 186  
SINCE JAN 1 1178 991 187 1120    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 11:00 PM  
LOWEST 29 2:00 PM  
AVERAGE 56  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 90 1951  
MINIMUM TEMPERATURE (F) 50 32 1980  
1989  
 
SUNRISE AND SUNSET  
OCTOBER 4 2024.......SUNRISE 6:52 AM CDT SUNSET 6:27 PM CDT  
OCTOBER 5 2024.......SUNRISE 6:53 AM CDT SUNSET 6:25 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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