064  
CDUS43 KLOT 252147  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
447 PM CDT SUN JUN 25 2023  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JUNE 25 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 86 11:49 AM 103 1988 83 3 77  
MINIMUM 68 5:15 AM 41 1986 64 4 67  
AVERAGE 77 73 4 72  
 
PRECIPITATION (IN)  
TODAY 0.75 4.58 1959 0.13 0.62 0.24  
MONTH TO DATE 2.24 3.47 -1.23 2.64  
SINCE JUN 1 2.24 3.47 -1.23 2.64  
SINCE JAN 1 15.20 18.12 -2.92 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 12 9 3 7  
MONTH TO DATE 153 152 1 180  
SINCE JUN 1 153 152 1 180  
SINCE JAN 1 246 222 24 325    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 14.4  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 3:00 AM  
LOWEST 45 12:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 99 1983  
MINIMUM TEMPERATURE (F) 64 50 1992  
 
SUNRISE AND SUNSET  
JUNE 25 2023..........SUNRISE 5:17 AM CDT SUNSET 8:31 PM CDT  
JUNE 26 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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