476  
CDUS43 KLOT 040638  
CLIARR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
138 AM CDT THU SEP 04 2025  
   
...............................  
 
...THE AURORA MUNICIPAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 3 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 70 2:48 PM 91 2023 80 -10 77  
MINIMUM 51 11:59 PM 46 2005 56 -5 49  
AVERAGE 61 68 -7 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.12 0.52 2019 0.09 0.03 0.00  
MONTH TO DATE 0.12 0.29 -0.17 0.00  
SINCE SEP 1 0.12 0.29 -0.17 0.00  
SINCE JAN 1 21.69 23.91 -2.22 29.40  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 1 3 2  
MONTH TO DATE 5 3 2 3  
SINCE SEP 1 5 3 2 3  
SINCE JUL 1 26 21 5 21  
 
COOLING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 1 12 -11 0  
SINCE SEP 1 1 12 -11 0  
SINCE JAN 1 898 700 198 766    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 7.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 3:00 PM  
LOWEST 67 8:00 PM  
AVERAGE 79  
   
......................................................  
 
THE AURORA MUNICIPAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 92 2018  
2023  
MINIMUM TEMPERATURE (F) 56 44 2020  
 
SUNRISE AND SUNSET  
SEPTEMBER 4 2025.....SUNRISE 6:23 AM CDT SUNSET 7:22 PM CDT  
SEPTEMBER 5 2025.....SUNRISE 6:24 AM CDT SUNSET 7:20 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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