016  
CDUS43 KLOT 010634  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT SUN SEP 01 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 31 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 84 1:24 PM 99 1953 80 4 79  
MINIMUM 62 5:59 AM 47 1872 63 -1 54  
AVERAGE 73 72 1 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.24 1977 0.14 -0.14 0.00  
MONTH TO DATE 2.60 4.25 -1.65 1.33  
SINCE JUN 1 11.59 12.06 -0.47 11.30  
SINCE JAN 1 26.86 26.71 0.15 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 JUN 1 T 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 2  
SINCE JUN 1 6 33 -27 27  
SINCE JUL 1 0 2 -2 2  
 
COOLING  
YESTERDAY 8 7 1 2  
MONTH TO DATE 312 277 35 299  
SINCE JUN 1 906 802 104 841  
SINCE JAN 1 986 872 114 934    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 6:00 AM  
LOWEST 41 4:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 101 1953  
MINIMUM TEMPERATURE (F) 62 45 1949  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2024.....SUNRISE 6:18 AM CDT SUNSET 7:24 PM CDT  
SEPTEMBER 2 2024.....SUNRISE 6:19 AM CDT SUNSET 7:23 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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