750  
CDUS43 KLOT 020633  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT MON SEP 02 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 1 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 76 1:06 PM 101 1953 80 -4 85  
MINIMUM 60 11:47 PM 45 1949 62 -2 58  
AVERAGE 68 71 -3 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.92 1977 0.12 -0.12 0.00  
MONTH TO DATE 0.00 0.12 -0.12 0.00  
SINCE SEP 1 0.00 0.12 -0.12 0.00  
SINCE JAN 1 26.86 26.83 0.03 24.26  
 
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 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 6 -6 2  
 
COOLING  
YESTERDAY 3 7 -4 7  
MONTH TO DATE 3 7 -4 7  
SINCE SEP 1 3 7 -4 7  
SINCE JAN 1 989 879 110 941    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 11.3  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 4:00 AM  
LOWEST 46 1:00 PM  
AVERAGE 64  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 101 1953  
MINIMUM TEMPERATURE (F) 62 44 1946  
 
SUNRISE AND SUNSET  
SEPTEMBER 2 2024.....SUNRISE 6:19 AM CDT SUNSET 7:23 PM CDT  
SEPTEMBER 3 2024.....SUNRISE 6:20 AM CDT SUNSET 7:21 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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