329  
CDUS43 KLOT 240653  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
153 AM CDT TUE JUN 24 2025  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JUNE 23 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 95 3:42 PM 97 1930 83 12 80  
MINIMUM 79 5:26 AM 44 1982 63 16 69  
AVERAGE 87 73 14 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.04 1892 0.13 -0.13 T  
MONTH TO DATE 3.05 3.21 -0.16 2.49  
SINCE JUN 1 3.05 3.21 -0.16 2.49  
SINCE JAN 1 12.55 17.86 -5.31 17.76  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 17.6 38.4 -20.8 22.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 13 29 -16 6  
SINCE JUN 1 13 29 -16 6  
SINCE JUL 1 5441 5972 -531 4775  
 
COOLING  
YESTERDAY 22 8 14 10  
MONTH TO DATE 176 135 41 220  
SINCE JUN 1 176 135 41 220  
SINCE JAN 1 210 205 5 300    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 6:00 AM  
LOWEST 45 4:00 PM  
AVERAGE 60  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 97 1937  
1953  
MINIMUM TEMPERATURE (F) 64 46 1986  
 
SUNRISE AND SUNSET  
JUNE 24 2025..........SUNRISE 5:17 AM CDT SUNSET 8:31 PM CDT  
JUNE 25 2025..........SUNRISE 5:17 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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