972  
CDUS43 KLOT 250633  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT SUN AUG 25 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 24 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 91 2:44 PM 100 1947 82 9 100  
2023  
MINIMUM 64 5:28 AM 48 1942 64 0 75  
AVERAGE 78 73 5 88  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.47 1895 0.13 -0.13 0.00  
MONTH TO DATE 1.50 3.32 -1.82 1.33  
SINCE JUN 1 10.49 11.13 -0.64 11.30  
SINCE JAN 1 25.76 25.78 -0.02 24.26  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1971 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 0  
SINCE JUN 1 6 33 -27 25  
SINCE JUL 1 0 2 -2 0  
 
COOLING  
YESTERDAY 13 8 5 23  
MONTH TO DATE 201 224 -23 261  
SINCE JUN 1 795 749 46 803  
SINCE JAN 1 875 819 56 896    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 4.0  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 11:00 PM  
LOWEST 47 5:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 95 1959  
1991  
2003  
MINIMUM TEMPERATURE (F) 64 47 1917  
 
SUNRISE AND SUNSET  
AUGUST 25 2024........SUNRISE 6:11 AM CDT SUNSET 7:36 PM CDT  
AUGUST 26 2024........SUNRISE 6:12 AM CDT SUNSET 7:34 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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