533  
CDUS43 KLOT 302140  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
440 PM CDT FRI JUN 30 2023  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JUNE 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 91 11:13 AM 99 1913 84 7 92  
1953  
MINIMUM 72 5:44 AM 45 1943 65 7 73  
AVERAGE 82 74 8 83  
 
PRECIPITATION (IN)  
TODAY 0.00 2.60 2014 0.12 -0.12 0.00  
MONTH TO DATE 2.36 4.10 -1.74 2.66  
SINCE JUN 1 2.36 4.10 -1.74 2.66  
SINCE JAN 1 15.32 18.75 -3.43 18.56  
 
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 20.2 38.4 -18.2 32.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 25 29 -4 7  
SINCE JUN 1 25 29 -4 7  
SINCE JUL 1 5418 5972 -554 5677  
 
COOLING  
TODAY 17 10 7 18  
MONTH TO DATE 205 199 6 232  
SINCE JUN 1 205 199 6 232  
SINCE JAN 1 298 269 29 377    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 3:00 AM  
LOWEST 45 12:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 103 1956  
MINIMUM TEMPERATURE (F) 65 46 1982  
 
SUNRISE AND SUNSET  
JUNE 30 2023..........SUNRISE 5:19 AM CDT SUNSET 8:31 PM CDT  
JULY 1 2023..........SUNRISE 5:20 AM CDT SUNSET 8:31 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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