018  
CDUS43 KLOT 282136  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
436 PM CDT SAT SEP 28 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 28 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 71 2:48 PM 92 1953 71 0 71  
MINIMUM 65 3:00 AM 29 1942 52 13 61  
AVERAGE 68 61 7 66  
 
PRECIPITATION (IN)  
TODAY T 3.65 1972 0.10 -0.10 0.01  
MONTH TO DATE 1.31 3.00 -1.69 3.36  
SINCE SEP 1 1.31 3.00 -1.69 3.36  
SINCE JAN 1 28.17 29.71 -1.54 27.62  
 
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 5 -5 0  
MONTH TO DATE 15 64 -49 13  
SINCE SEP 1 15 64 -49 13  
SINCE JUL 1 15 70 -55 15  
 
COOLING  
TODAY 3 2 1 1  
MONTH TO DATE 178 114 64 144  
SINCE SEP 1 178 114 64 144  
SINCE JAN 1 1164 986 178 1078    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 18.7  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 11:00 AM  
LOWEST 65 12:00 AM  
AVERAGE 76  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 99 1953  
MINIMUM TEMPERATURE (F) 52 32 1984  
 
SUNRISE AND SUNSET  
SEPTEMBER 28 2024.....SUNRISE 6:46 AM CDT SUNSET 6:37 PM CDT  
SEPTEMBER 29 2024.....SUNRISE 6:47 AM CDT SUNSET 6:36 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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