947  
CDUS43 KLOT 200643  
CLIARR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
143 AM CDT WED AUG 20 2025  
   
...............................  
 
   
..THE AURORA MUNICIPAL AIRPORT CLIMATE SUMMARY FOR AUGUST 19 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 79 2:34 PM 89 2021 82 -3 78  
MINIMUM 66 11:59 PM 50 2020 59 7 58  
AVERAGE 73 71 2 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.05 2007 0.09 -0.09 0.00  
MONTH TO DATE 3.96 2.10 1.86 1.80  
SINCE JUN 1 11.24 9.79 1.45 13.56  
SINCE JAN 1 20.76 22.37 -1.61 27.57  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 9  
SINCE JUN 1 13 35 -22 18  
SINCE JUL 1 0 6 -6 10  
 
COOLING  
YESTERDAY 8 6 2 3  
MONTH TO DATE 199 130 69 124  
SINCE JUN 1 834 563 271 622  
SINCE JAN 1 871 625 246 674    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 4.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1:00 AM  
LOWEST 71 3:00 PM  
AVERAGE 84  
   
......................................................  
 
THE AURORA MUNICIPAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 92 2010  
2023  
MINIMUM TEMPERATURE (F) 59 49 2001  
2012  
 
SUNRISE AND SUNSET  
AUGUST 20 2025........SUNRISE 6:08 AM CDT SUNSET 7:46 PM CDT  
AUGUST 21 2025........SUNRISE 6:09 AM CDT SUNSET 7:44 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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