762  
CDUS43 KLOT 070642  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
142 AM CDT SAT SEP 07 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 6 2024  
 
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)  
YESTERDAY  
MAXIMUM 70 11:33 AM 97 1954 79 -9 83  
1960  
MINIMUM 54 11:59 PM 42 1984 61 -7 71  
AVERAGE 62 70 -8 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.53 1894 0.11 -0.11 0.05  
MONTH TO DATE 0.04 0.70 -0.66 0.07  
SINCE SEP 1 0.04 0.70 -0.66 0.07  
SINCE JAN 1 26.90 27.41 -0.51 24.33  
 
SNOWFALL (IN)  
YESTERDAY 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  
YESTERDAY 3 1 2 0  
MONTH TO DATE 3 3 0 0  
SINCE SEP 1 3 3 0 0  
SINCE JUL 1 3 9 -6 2  
 
COOLING  
YESTERDAY 0 6 -6 12  
MONTH TO DATE 25 37 -12 85  
SINCE SEP 1 25 37 -12 85  
SINCE JAN 1 1011 909 102 1019    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 11.6  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 4:00 AM  
LOWEST 51 5:00 PM  
AVERAGE 72  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 100 1939  
1960  
MINIMUM TEMPERATURE (F) 61 42 1986  
 
SUNRISE AND SUNSET  
SEPTEMBER 7 2024.....SUNRISE 6:24 AM CDT SUNSET 7:14 PM CDT  
SEPTEMBER 8 2024.....SUNRISE 6:25 AM CDT SUNSET 7:12 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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