975  
CDUS43 KLOT 042133  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CDT FRI OCT 04 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 4 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 2:13 PM 90 1951 68 2 84  
MINIMUM 58 3:16 AM 32 1980 50 8 68  
1989  
AVERAGE 64 59 5 76  
 
PRECIPITATION (IN)  
TODAY 0.01 2.57 1991 0.11 -0.10 0.09  
MONTH TO DATE 0.01 0.45 -0.44 0.09  
SINCE SEP 1 1.33 3.64 -2.31 3.45  
SINCE JAN 1 28.19 30.35 -2.16 27.71  
 
SNOWFALL (IN)  
TODAY 0.0 T 2014 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 1 7 -6 0  
MONTH TO DATE 8 27 -19 0  
SINCE SEP 1 23 104 -81 13  
SINCE JUL 1 23 110 -87 15  
 
COOLING  
TODAY 0 1 -1 11  
MONTH TO DATE 2 4 -2 42  
SINCE SEP 1 192 120 72 197  
SINCE JAN 1 1178 992 186 1131    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 6:00 AM  
LOWEST 53 2:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 88 1997  
MINIMUM TEMPERATURE (F) 49 28 1980  
 
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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