761  
CDUS43 KLOT 302134  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CDT SUN JUL 30 2023  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 30 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 80 2:45 PM 102 1916 84 -4 83  
MINIMUM 68 5:27 AM 50 1984 67 1 63  
AVERAGE 74 75 -1 73  
 
PRECIPITATION (IN)  
TODAY 0.00 2.43 1979 0.14 -0.14 0.00  
MONTH TO DATE 7.61 3.58 4.03 4.50  
SINCE JUN 1 9.97 7.68 2.29 7.16  
SINCE JAN 1 22.93 22.33 0.60 23.06  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 T  
SINCE JUN 1 0.0 0.0 0.0 T  
SINCE JUL 1 0.0 0.0 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 25 31 -6 7  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 9 10 -1 8  
MONTH TO DATE 328 317 11 314  
SINCE JUN 1 533 516 17 546  
SINCE JAN 1 626 586 40 691    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 6:00 AM  
LOWEST 52 3:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 99 1945  
2006  
MINIMUM TEMPERATURE (F) 67 51 1984  
 
SUNRISE AND SUNSET  
JULY 30 2023..........SUNRISE 5:43 AM CDT SUNSET 8:13 PM CDT  
JULY 31 2023..........SUNRISE 5:44 AM CDT SUNSET 8:11 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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