645  
CDUS43 KLOT 222136  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
436 PM CDT TUE OCT 22 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 22 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 73 2:59 PM 87 1953 60 13 61  
MINIMUM 55 6:51 AM 22 1982 43 12 42  
AVERAGE 64 52 12 52  
 
PRECIPITATION (IN)  
TODAY 0.01 2.81 1983 0.11 -0.10 0.00  
MONTH TO DATE 0.31 2.46 -2.15 1.96  
SINCE SEP 1 1.63 5.65 -4.02 5.32  
SINCE JAN 1 28.49 32.36 -3.87 29.58  
 
SNOWFALL (IN)  
TODAY 0.0 T 1935 0.0 0.0 0.0  
1937  
2013  
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  
TODAY 1 14 -13 13  
MONTH TO DATE 115 217 -102 179  
SINCE SEP 1 130 294 -164 192  
SINCE JUL 1 130 300 -170 194  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 16 12 4 44  
SINCE SEP 1 206 128 78 199  
SINCE JAN 1 1192 1000 192 1133    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 9.4  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 59 6:00 AM  
LOWEST 38 12:00 PM  
AVERAGE 49  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 85 1963  
MINIMUM TEMPERATURE (F) 43 20 1981  
 
SUNRISE AND SUNSET  
OCTOBER 22 2024.......SUNRISE 7:13 AM CDT SUNSET 5:58 PM CDT  
OCTOBER 23 2024.......SUNRISE 7:14 AM CDT SUNSET 5:57 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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