922  
CDUS43 KLOT 170633  
CLIUGN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT WED SEP 17 2025  
   
...............................
 
 
   
..THE WAUKEGAN IL CLIMATE SUMMARY FOR SEPTEMBER 16 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 2000 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 80 2:53 PM 84 2016 73 7 83  
MINIMUM 57 10:40 PM 41 2007 54 3 59  
AVERAGE 69 63 6 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.78 2010 0.13 -0.13 0.00  
MONTH TO DATE 1.60 1.87 -0.27 T  
SINCE SEP 1 1.60 1.87 -0.27 T  
SINCE JAN 1 21.23 26.23 -5.00 33.53  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 36 37 -1 24  
SINCE SEP 1 36 37 -1 24  
SINCE JUL 1 52 62 -10 39  
 
COOLING  
YESTERDAY 4 2 2 6  
MONTH TO DATE 34 52 -18 53  
SINCE SEP 1 34 52 -18 53  
SINCE JAN 1 807 599 208 724    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 2.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 5:00 AM  
LOWEST 50 5:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE WAUKEGAN IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 91 2021  
MINIMUM TEMPERATURE (F) 53 42 2014  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2025.....SUNRISE 6:34 AM CDT SUNSET 6:57 PM CDT  
SEPTEMBER 18 2025.....SUNRISE 6:35 AM CDT SUNSET 6:55 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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