130  
CDUS43 KLOT 132133  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CDT MON OCT 13 2025  
   
...............................  
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 13 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 69 2:10 PM 88 1975 65 4 68  
MINIMUM 56 6:25 AM 30 1987 48 8 50  
AVERAGE 63 56 7 59  
 
PRECIPITATION (IN)  
TODAY 0.00 2.43 1970 0.12 -0.12 0.00  
MONTH TO DATE 1.41 1.48 -0.07 0.08  
SINCE SEP 1 1.97 4.25 -2.28 1.97  
SINCE JAN 1 26.79 28.28 -1.49 31.44  
 
DEGREE DAYS  
HEATING  
TODAY 2 9 -7 6  
MONTH TO DATE 38 95 -57 23  
SINCE SEP 1 59 154 -95 33  
SINCE JUL 1 61 158 -97 33  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 62 17 45 16  
SINCE SEP 1 266 153 113 235  
SINCE JAN 1 1407 1109 298 1358    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 4.7  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 6:00 AM  
LOWEST 49 1:00 PM  
AVERAGE 63  
   
......................................................  
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 89 1975  
MINIMUM TEMPERATURE (F) 47 28 1937  
 
SUNRISE AND SUNSET  
OCTOBER 13 2025.......SUNRISE 7:01 AM CDT SUNSET 6:12 PM CDT  
OCTOBER 14 2025.......SUNRISE 7:02 AM CDT SUNSET 6:11 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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