690  
CDUS43 KLOT 030644  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
144 AM CDT SAT AUG 03 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 2 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 87 2:25 PM 101 1991 84 3 85  
MINIMUM 69 5:53 AM 51 1985 66 3 68  
AVERAGE 78 75 3 77  
 
PRECIPITATION (IN)  
YESTERDAY T 5.63 1885 0.15 -0.15 0.00  
MONTH TO DATE 0.51 0.30 0.21 0.00  
SINCE JUN 1 9.50 8.11 1.39 9.97  
SINCE JAN 1 24.77 22.76 2.01 22.93  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1957 0.0 0.0 0.0  
2015  
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 10 3 12  
MONTH TO DATE 27 20 7 24  
SINCE JUN 1 621 545 76 566  
SINCE JAN 1 701 615 86 659    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 8.0  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 3:00 AM  
LOWEST 55 4:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 98 1930  
1944  
1964  
MINIMUM TEMPERATURE (F) 66 48 1894  
 
SUNRISE AND SUNSET  
AUGUST 3 2024........SUNRISE 5:48 AM CDT SUNSET 8:07 PM CDT  
AUGUST 4 2024........SUNRISE 5:49 AM CDT SUNSET 8:06 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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