141  
CDUS43 KLOT 150634  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT TUE OCT 15 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 14 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 57 1:45 PM 89 1975 64 -7 57  
MINIMUM 41 11:59 PM 27 1872 46 -5 49  
AVERAGE 49 55 -6 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 4.19 2017 0.11 -0.09 0.57  
MONTH TO DATE 0.03 1.57 -1.54 1.79  
SINCE SEP 1 1.35 4.76 -3.41 5.15  
SINCE JAN 1 28.21 31.47 -3.26 29.41  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1898 0.0 0.0 0.0  
1986  
1992  
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 16 11 5 12  
MONTH TO DATE 48 119 -71 94  
SINCE SEP 1 63 196 -133 107  
SINCE JUL 1 63 202 -139 109  
 
COOLING  
YESTERDAY 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 24 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 11.8  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 2:00 AM  
LOWEST 40 1:00 PM  
AVERAGE 63  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 88 1947  
MINIMUM TEMPERATURE (F) 46 28 1876  
 
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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