002  
CDUS43 KLOT 120646  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
146 AM CDT SAT OCT 12 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 11 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 83 2:32 PM 87 1928 65 18 67  
MINIMUM 55 6:43 AM 27 1906 47 8 42  
1996  
AVERAGE 69 56 13 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.47 1972 0.11 -0.11 0.17  
MONTH TO DATE 0.01 1.23 -1.22 0.49  
SINCE SEP 1 1.33 4.42 -3.09 3.85  
SINCE JAN 1 28.19 31.13 -2.94 28.11  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1905 0.0 0.0 0.0  
1906  
1909  
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 10 -10 10  
MONTH TO DATE 24 88 -64 69  
SINCE SEP 1 39 165 -126 82  
SINCE JUL 1 39 171 -132 84  
 
COOLING  
YESTERDAY 4 1 3 0  
MONTH TO DATE 13 11 2 44  
SINCE SEP 1 203 127 76 199  
SINCE JAN 1 1189 999 190 1133    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 9.4  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 12:00 AM  
LOWEST 26 3:00 PM  
AVERAGE 52  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 84 1956  
1960  
2008  
MINIMUM TEMPERATURE (F) 47 28 1987  
1988  
 
SUNRISE AND SUNSET  
OCTOBER 12 2024.......SUNRISE 7:01 AM CDT SUNSET 6:14 PM CDT  
OCTOBER 13 2024.......SUNRISE 7:02 AM CDT SUNSET 6:12 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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