687  
CDUS43 KLOT 060633  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT MON OCT 06 2025  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 5 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 84 3:52 PM 88 1997 68 16 85  
MINIMUM 65 6:46 AM 28 1980 49 16 58  
AVERAGE 75 58 17 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.01 1955 0.11 -0.11 0.00  
MONTH TO DATE 0.00 0.56 -0.56 0.01  
SINCE SEP 1 0.49 3.75 -3.26 1.33  
SINCE JAN 1 22.94 30.46 -7.52 28.19  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1935 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 8 -8 0  
MONTH TO DATE 0 35 -35 8  
SINCE SEP 1 32 112 -80 23  
SINCE JUL 1 37 118 -81 23  
 
COOLING  
YESTERDAY 10 1 9 7  
MONTH TO DATE 47 5 42 9  
SINCE SEP 1 213 121 92 199  
SINCE JAN 1 1205 993 212 1185    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 11.1  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 6:00 AM  
LOWEST 24 4:00 PM  
AVERAGE 47  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 94 1963  
MINIMUM TEMPERATURE (F) 49 28 1952  
 
SUNRISE AND SUNSET  
OCTOBER 6 2025.......SUNRISE 6:54 AM CDT SUNSET 6:24 PM CDT  
OCTOBER 7 2025.......SUNRISE 6:55 AM CDT SUNSET 6:22 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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