588  
CDUS43 KLOT 152135  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
435 PM CDT TUE OCT 15 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 15 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 51 1:22 PM 88 1947 63 -12 60  
MINIMUM 41 6:44 AM 28 1876 46 -5 47  
AVERAGE 46 54 -8 54  
 
PRECIPITATION (IN)  
TODAY 0.27 1.66 1967 0.12 0.15 0.01  
MONTH TO DATE 0.30 1.69 -1.39 1.80  
SINCE SEP 1 1.62 4.88 -3.26 5.16  
SINCE JAN 1 28.48 31.59 -3.11 29.42  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 19 11 8 11  
MONTH TO DATE 67 130 -63 105  
SINCE SEP 1 82 207 -125 118  
SINCE JUL 1 82 213 -131 120  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 13 12 1 44  
SINCE SEP 1 203 128 75 199  
SINCE JAN 1 1189 1000 189 1133    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 14.3  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 4:00 AM  
LOWEST 71 2:00 PM  
AVERAGE 80  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 87 1963  
MINIMUM TEMPERATURE (F) 45 28 1991  
 
SUNRISE AND SUNSET  
OCTOBER 15 2024.......SUNRISE 7:05 AM CDT SUNSET 6:09 PM CDT  
OCTOBER 16 2024.......SUNRISE 7:06 AM CDT SUNSET 6:08 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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