775  
CDUS43 KLOT 210631  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT SAT JUN 21 2025  
   
...............................  
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR JUNE 20 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 86 3:45 PM 104 1953 82 4 86  
MINIMUM 70 3:46 AM 45 1980 64 6 67  
AVERAGE 78 73 5 77  
 
PRECIPITATION (IN)  
YESTERDAY T 2.56 1928 0.13 -0.13 0.02  
MONTH TO DATE 4.91 2.78 2.13 1.37  
SINCE JUN 1 4.91 2.78 2.13 1.37  
SINCE JAN 1 14.48 15.26 -0.78 17.35  
 
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 13 8 5 12  
MONTH TO DATE 133 127 6 207  
SINCE JUN 1 133 127 6 207  
SINCE JAN 1 184 209 -25 320    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 11.4  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 5:00 AM  
LOWEST 43 3:00 PM  
AVERAGE 58  
   
......................................................  
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 101 1988  
2022  
MINIMUM TEMPERATURE (F) 64 45 1940  
 
SUNRISE AND SUNSET  
JUNE 21 2025..........SUNRISE 5:16 AM CDT SUNSET 8:29 PM CDT  
JUNE 22 2025..........SUNRISE 5:17 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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