062  
CDUS43 KLOT 272135  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
435 PM CDT TUE JUN 27 2023  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JUNE 27 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 78 1:53 PM 101 1971 83 -5 80  
MINIMUM 65 7:12 AM 47 1992 64 1 60  
AVERAGE 72 74 -2 70  
 
PRECIPITATION (IN)  
TODAY 0.00 1.68 1983 0.13 -0.13 0.00  
MONTH TO DATE 2.30 3.73 -1.43 2.64  
SINCE JUN 1 2.30 3.73 -1.43 2.64  
SINCE JAN 1 15.26 18.38 -3.12 18.54  
 
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 7 9 -2 5  
MONTH TO DATE 167 170 -3 193  
SINCE JUN 1 167 170 -3 193  
SINCE JAN 1 260 240 20 338    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 10.3  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 1:00 AM  
LOWEST 48 12:00 PM  
AVERAGE 61  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 101 1952  
1971  
MINIMUM TEMPERATURE (F) 65 44 1992  
 
SUNRISE AND SUNSET  
JUNE 27 2023..........SUNRISE 5:18 AM CDT SUNSET 8:31 PM CDT  
JUNE 28 2023..........SUNRISE 5:18 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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