353  
CDUS43 KLOT 130631  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT SUN OCT 13 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 12 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 68 2:01 PM 84 1956 65 3 62  
1960  
2008  
MINIMUM 60 7:45 PM 28 1987 47 13 55  
1988  
AVERAGE 64 56 8 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.40 1973 0.12 -0.12 0.18  
MONTH TO DATE 0.01 1.35 -1.34 0.67  
SINCE SEP 1 1.33 4.54 -3.21 4.03  
SINCE JAN 1 28.19 31.25 -3.06 28.29  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.3 2006 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 1 10 -9 6  
MONTH TO DATE 25 98 -73 75  
SINCE SEP 1 40 175 -135 88  
SINCE JUL 1 40 181 -141 90  
 
COOLING  
YESTERDAY 0 1 -1 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 29 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 11:00 PM  
LOWEST 59 11:00 AM  
AVERAGE 69  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 88 1975  
MINIMUM TEMPERATURE (F) 46 25 1988  
 
SUNRISE AND SUNSET  
OCTOBER 13 2024.......SUNRISE 7:02 AM CDT SUNSET 6:12 PM CDT  
OCTOBER 14 2024.......SUNRISE 7:04 AM CDT SUNSET 6:11 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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