540  
CDUS43 KLOT 250653  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
153 AM CDT SUN JUN 25 2023  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JUNE 24 2023
 
 
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)  
YESTERDAY  
MAXIMUM 93 2:34 PM 97 1937 83 10 92  
1953  
MINIMUM 66 4:53 AM 46 1986 64 2 65  
AVERAGE 80 73 7 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 2.31 1950 0.13 -0.11 0.00  
MONTH TO DATE 1.49 3.34 -1.85 2.40  
SINCE JUN 1 1.49 3.34 -1.85 2.40  
SINCE JAN 1 14.45 17.99 -3.54 18.30  
 
SNOWFALL (IN)  
YESTERDAY 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  
YESTERDAY 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  
YESTERDAY 15 8 7 14  
MONTH TO DATE 141 143 -2 173  
SINCE JUN 1 141 143 -2 173  
SINCE JAN 1 234 213 21 318    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 4:00 AM  
LOWEST 26 1:00 PM  
AVERAGE 48  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 103 1988  
MINIMUM TEMPERATURE (F) 64 41 1986  
 
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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