648  
CDUS43 KLOT 230631  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT FRI AUG 23 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 22 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 80 2:27 PM 99 1936 82 -2 90  
MINIMUM 55 5:38 AM 49 2004 65 -10 69  
AVERAGE 68 73 -5 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 4.45 2002 0.13 -0.13 0.00  
MONTH TO DATE 1.50 3.06 -1.56 1.33  
SINCE JUN 1 10.49 10.87 -0.38 11.30  
SINCE JAN 1 25.76 25.52 0.24 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 0  
SINCE JUN 1 6 33 -27 25  
SINCE JUL 1 0 2 -2 0  
 
COOLING  
YESTERDAY 3 8 -5 15  
MONTH TO DATE 182 208 -26 215  
SINCE JUN 1 776 733 43 757  
SINCE JAN 1 856 803 53 850    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 3.4  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 2:00 AM  
LOWEST 33 1:00 PM  
AVERAGE 59  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 98 2023  
MINIMUM TEMPERATURE (F) 64 48 1904  
 
SUNRISE AND SUNSET  
AUGUST 23 2024........SUNRISE 6:08 AM CDT SUNSET 7:39 PM CDT  
AUGUST 24 2024........SUNRISE 6:09 AM CDT SUNSET 7:37 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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