215  
CDUS43 KLOT 030643  
CLIARR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
143 AM CDT WED SEP 03 2025  
   
...............................  
 
...THE AURORA MUNICIPAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 2 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 80 12:29 PM 92 2008 80 0 77  
MINIMUM 48 5:40 AM 39 2017 56 -8 50  
AVERAGE 64 68 -4 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.15 2010 0.10 -0.10 0.00  
MONTH TO DATE 0.00 0.20 -0.20 0.00  
SINCE SEP 1 0.00 0.20 -0.20 0.00  
SINCE JAN 1 21.57 23.82 -2.25 29.40  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 1 0 1  
MONTH TO DATE 1 2 -1 1  
SINCE SEP 1 1 2 -1 1  
SINCE JUL 1 22 20 2 19  
 
COOLING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 1 8 -7 0  
SINCE SEP 1 1 8 -7 0  
SINCE JAN 1 898 696 202 766    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 1.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 2:00 AM  
LOWEST 42 12:00 PM  
AVERAGE 68  
   
......................................................  
 
THE AURORA MUNICIPAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 91 2023  
MINIMUM TEMPERATURE (F) 56 46 2005  
 
SUNRISE AND SUNSET  
SEPTEMBER 3 2025.....SUNRISE 6:22 AM CDT SUNSET 7:23 PM CDT  
SEPTEMBER 4 2025.....SUNRISE 6:23 AM CDT SUNSET 7:22 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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