160  
CDUS43 KLOT 102138  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
438 PM CDT SUN AUG 10 2025  
   
...............................  
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR AUGUST 10 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 91 2:59 PM 99 1944 83 8 76  
MINIMUM 79 6:22 AM 49 1972 67 12 57  
AVERAGE 85 75 10 67  
 
PRECIPITATION (IN)  
TODAY T 2.70 1980 0.13 -0.13 0.00  
MONTH TO DATE T 1.23 -1.23 0.94  
SINCE JUN 1 12.03 8.79 3.24 10.69  
SINCE JAN 1 21.60 21.27 0.33 26.67  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 9 25 -16 3  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
TODAY 20 10 10 2  
MONTH TO DATE 133 107 26 115  
SINCE JUN 1 901 682 219 789  
SINCE JAN 1 952 764 188 902    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 10.7  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 2:00 AM  
LOWEST 55 9:00 AM  
AVERAGE 65  
   
......................................................  
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 100 1941  
MINIMUM TEMPERATURE (F) 67 50 1982  
 
SUNRISE AND SUNSET  
AUGUST 10 2025........SUNRISE 5:54 AM CDT SUNSET 7:57 PM CDT  
AUGUST 11 2025........SUNRISE 5:56 AM CDT SUNSET 7:56 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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