734  
CDUS43 KLOT 090631  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT TUE JUL 09 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 8 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 86 4:02 PM 99 1955 85 1 76  
MINIMUM 69 5:08 AM 48 1984 66 3 64  
AVERAGE 78 75 3 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.41 1951 0.11 -0.11 0.14  
MONTH TO DATE 1.17 0.87 0.30 4.43  
SINCE JUN 1 4.27 4.97 -0.70 6.79  
SINCE JAN 1 19.54 19.62 -0.08 19.75  
 
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 31 -25 25  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 13 10 3 5  
MONTH TO DATE 83 80 3 84  
SINCE JUN 1 361 279 82 289  
SINCE JAN 1 441 349 92 382    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 7.9  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 12:00 AM  
LOWEST 55 11:00 AM  
AVERAGE 73  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 98 1974  
MINIMUM TEMPERATURE (F) 66 50 1895  
 
SUNRISE AND SUNSET  
JULY 9 2024..........SUNRISE 5:25 AM CDT SUNSET 8:28 PM CDT  
JULY 10 2024..........SUNRISE 5:26 AM CDT SUNSET 8:28 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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