122  
CDUS43 KLOT 290740  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
240 AM CDT TUE OCT 29 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 28 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 67 11:59 PM 80 1999 57 10 52  
MINIMUM 43 12:32 AM 19 1925 41 2 39  
AVERAGE 55 49 6 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.53 1874 0.11 -0.11 T  
MONTH TO DATE 1.15 3.12 -1.97 2.24  
SINCE SEP 1 2.47 6.31 -3.84 5.60  
SINCE JAN 1 29.33 33.02 -3.69 29.86  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.2 1920 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE SEP 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 0.0 0.1 -0.1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 16 -6 19  
MONTH TO DATE 186 307 -121 213  
SINCE SEP 1 201 384 -183 226  
SINCE JUL 1 201 390 -189 228  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 16 12 4 56  
SINCE SEP 1 206 128 78 211  
SINCE JAN 1 1192 1000 192 1145    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 10.5  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 65 11:00 PM  
LOWEST 34 4:00 PM  
AVERAGE 50  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 78 1901  
1999  
MINIMUM TEMPERATURE (F) 41 19 1925  
 
SUNRISE AND SUNSET  
OCTOBER 29 2024.......SUNRISE 7:21 AM CDT SUNSET 5:49 PM CDT  
OCTOBER 30 2024.......SUNRISE 7:22 AM CDT SUNSET 5:47 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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