463  
CDUS43 KLOT 170632  
CLIARR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT FRI OCT 17 2025  
   
...............................  
 
...THE AURORA MUNICIPAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 16 2025...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 71 3:36 PM 74 2016 63 8 59  
MINIMUM 55 11:42 PM 26 2020 41 14 28  
AVERAGE 63 52 11 44  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.74 2007 0.11 -0.11 0.00  
MONTH TO DATE 1.01 1.81 -0.80 0.24  
SINCE SEP 1 1.89 4.82 -2.93 1.41  
SINCE JAN 1 23.46 28.44 -4.98 30.81  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 13 -11 21  
MONTH TO DATE 68 167 -99 132  
SINCE SEP 1 129 280 -151 173  
SINCE JUL 1 150 298 -148 191  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 42 9 33 5  
SINCE SEP 1 162 89 73 102  
SINCE JAN 1 1059 777 282 868    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 6.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 7:00 AM  
LOWEST 51 12:00 PM  
AVERAGE 69  
   
......................................................  
 
THE AURORA MUNICIPAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 84 2016  
MINIMUM TEMPERATURE (F) 40 25 2003  
2015  
2024  
 
SUNRISE AND SUNSET  
OCTOBER 17 2025.......SUNRISE 7:09 AM CDT SUNSET 6:09 PM CDT  
OCTOBER 18 2025.......SUNRISE 7:10 AM CDT SUNSET 6:07 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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