015  
CDUS43 KLOT 222146  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
446 PM CDT SUN SEP 22 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 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 78 12:19 AM 94 2017 73 5 80  
MINIMUM 68 1:27 PM 32 1995 55 13 66  
AVERAGE 73 64 9 73  
 
PRECIPITATION (IN)  
TODAY 0.80 1.73 2006 0.11 0.69 0.01  
MONTH TO DATE 0.86 2.38 -1.52 2.86  
SINCE SEP 1 0.86 2.38 -1.52 2.86  
SINCE JAN 1 27.72 29.09 -1.37 27.12  
 
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 0 4 -4 0  
MONTH TO DATE 14 37 -23 13  
SINCE SEP 1 14 37 -23 13  
SINCE JUL 1 14 43 -29 15  
 
COOLING  
TODAY 8 3 5 8  
MONTH TO DATE 169 102 67 120  
SINCE SEP 1 169 102 67 120  
SINCE JAN 1 1155 974 181 1054    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 9:00 AM  
LOWEST 43 12:00 AM  
AVERAGE 70  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 95 2017  
MINIMUM TEMPERATURE (F) 54 29 1995  
 
SUNRISE AND SUNSET  
SEPTEMBER 22 2024.....SUNRISE 6:40 AM CDT SUNSET 6:48 PM CDT  
SEPTEMBER 23 2024.....SUNRISE 6:41 AM CDT SUNSET 6:46 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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