981  
CDUS43 KLOT 212133  
CLIARR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CDT THU AUG 21 2025  
   
...............................
 
 
   
..THE AURORA MUNICIPAL AIRPORT CLIMATE SUMMARY FOR AUGUST 21 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 81 2:25 PM 95 2003 82 -1 77  
MINIMUM 58 5:27 AM 46 2004 59 -1 47  
AVERAGE 70 70 0 62  
 
PRECIPITATION (IN)  
TODAY 0.00 0.96 2021 0.10 -0.10 0.00  
MONTH TO DATE 4.43 2.30 2.13 1.80  
SINCE JUN 1 11.71 9.99 1.72 13.56  
SINCE JAN 1 21.23 22.57 -1.34 27.57  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 3  
MONTH TO DATE 0 0 0 14  
SINCE JUN 1 13 35 -22 23  
SINCE JUL 1 0 6 -6 15  
 
COOLING  
TODAY 5 6 -1 0  
MONTH TO DATE 210 142 68 124  
SINCE JUN 1 845 575 270 622  
SINCE JAN 1 882 637 245 674    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 6.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 6:00 AM  
LOWEST 52 2:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE AURORA MUNICIPAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 89 2007  
MINIMUM TEMPERATURE (F) 59 45 2004  
 
SUNRISE AND SUNSET  
AUGUST 21 2025........SUNRISE 6:09 AM CDT SUNSET 7:44 PM CDT  
AUGUST 22 2025........SUNRISE 6:10 AM CDT SUNSET 7:43 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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