822  
CDUS43 KLOT 182134  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CDT FRI OCT 18 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 18 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 69 2:45 PM 87 1950 62 7 68  
MINIMUM 42 6:43 AM 20 1948 45 -3 46  
AVERAGE 56 53 3 57  
 
PRECIPITATION (IN)  
TODAY 0.00 2.09 1985 0.12 -0.12 0.04  
MONTH TO DATE 0.30 2.03 -1.73 1.84  
SINCE SEP 1 1.62 5.22 -3.60 5.20  
SINCE JAN 1 28.48 31.93 -3.45 29.46  
 
SNOWFALL (IN)  
TODAY 0.0 0.7 1989 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 9 12 -3 8  
MONTH TO DATE 107 165 -58 140  
SINCE SEP 1 122 242 -120 153  
SINCE JUL 1 122 248 -126 155  
 
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 16 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 65 7:00 AM  
LOWEST 28 3:00 PM  
AVERAGE 47  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 84 1971  
MINIMUM TEMPERATURE (F) 44 21 1992  
 
SUNRISE AND SUNSET  
OCTOBER 18 2024.......SUNRISE 7:08 AM CDT SUNSET 6:04 PM CDT  
OCTOBER 19 2024.......SUNRISE 7:09 AM CDT SUNSET 6:03 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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