210  
CDUS43 KLOT 300633  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT MON JUN 30 2025  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR JUNE 29 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1928 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 93 12:02 PM 97 1954 84 9 89  
MINIMUM 74 3:27 AM 50 1943 66 8 73  
AVERAGE 84 75 9 81  
 
PRECIPITATION (IN)  
YESTERDAY T 1.91 1933 0.11 -0.11 0.00  
MONTH TO DATE 5.37 3.90 1.47 3.44  
SINCE JUN 1 5.37 3.90 1.47 3.44  
SINCE JAN 1 14.94 16.38 -1.44 19.42  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 9 21 -12 3  
SINCE JUN 1 9 21 -12 3  
SINCE JUL 1 5129 5749 -620 4545  
 
COOLING  
YESTERDAY 19 10 9 16  
MONTH TO DATE 306 213 93 320  
SINCE JUN 1 306 213 93 320  
SINCE JAN 1 357 295 62 433    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 5:00 AM  
LOWEST 44 12:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 101 1931  
MINIMUM TEMPERATURE (F) 66 45 1943  
 
SUNRISE AND SUNSET  
JUNE 30 2025..........SUNRISE 5:20 AM CDT SUNSET 8:30 PM CDT  
JULY 1 2025..........SUNRISE 5:20 AM CDT SUNSET 8:30 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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