310  
CDUS43 KLOT 262133  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CDT THU SEP 26 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 26 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 77 2:00 PM 92 2017 72 5 73  
MINIMUM 57 6:03 AM 35 1928 53 4 63  
AVERAGE 67 62 5 68  
 
PRECIPITATION (IN)  
TODAY 0.00 2.71 1933 0.10 -0.10 0.36  
MONTH TO DATE 1.31 2.80 -1.49 3.33  
SINCE SEP 1 1.31 2.80 -1.49 3.33  
SINCE JAN 1 28.17 29.51 -1.34 27.59  
 
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 54 -39 13  
SINCE SEP 1 15 54 -39 13  
SINCE JUL 1 15 60 -45 15  
 
COOLING  
TODAY 2 2 0 3  
MONTH TO DATE 171 110 61 140  
SINCE SEP 1 171 110 61 140  
SINCE JAN 1 1157 982 175 1074    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 2:00 AM  
LOWEST 43 3:00 PM  
AVERAGE 66  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 91 1971  
MINIMUM TEMPERATURE (F) 53 31 1942  
 
SUNRISE AND SUNSET  
SEPTEMBER 26 2024.....SUNRISE 6:44 AM CDT SUNSET 6:41 PM CDT  
SEPTEMBER 27 2024.....SUNRISE 6:45 AM CDT SUNSET 6:39 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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