348  
CDUS43 KLOT 110640  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
140 AM CDT FRI JUL 11 2025  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR JULY 10 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 84 2:21 PM 106 1936 85 -1 84  
MINIMUM 70 4:58 AM 51 1941 68 2 67  
AVERAGE 77 76 1 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.75 0.98 2000 0.13 0.62 0.28  
MONTH TO DATE 1.48 1.13 0.35 1.54  
SINCE JUN 1 6.85 5.14 1.71 4.98  
SINCE JAN 1 16.42 17.62 -1.20 20.96  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 9 24 -15 3  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 12 12 0 11  
MONTH TO DATE 150 110 40 114  
SINCE JUN 1 474 332 142 436  
SINCE JAN 1 525 414 111 549    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 7.4  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 11:00 PM  
LOWEST 47 9:00 AM  
AVERAGE 69  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 107 1936  
MINIMUM TEMPERATURE (F) 68 51 1978  
 
SUNRISE AND SUNSET  
JULY 11 2025..........SUNRISE 5:27 AM CDT SUNSET 8:26 PM CDT  
JULY 12 2025..........SUNRISE 5:27 AM CDT SUNSET 8:26 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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