497  
CDUS43 KLOT 300632  
CLIARR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT SAT SEP 30 2023  
   
...............................
 
 
...THE AURORA MUNICIPAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 29 2023...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 76 3:02 PM 85 2002 71 5 64  
2021  
MINIMUM 48 3:29 AM 31 2022 47 1 31  
AVERAGE 62 59 3 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.73 2019 0.10 -0.10 0.00  
MONTH TO DATE 2.90 2.91 -0.01 1.64  
SINCE SEP 1 2.90 2.91 -0.01 1.64  
SINCE JAN 1 26.74 26.53 0.21 27.88  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 7 -4 17  
MONTH TO DATE 67 105 -38 115  
SINCE SEP 1 67 105 -38 115  
SINCE JUL 1 82 123 -41 117  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 77 80 -3 86  
SINCE SEP 1 77 80 -3 86  
SINCE JAN 1 625 768 -143 774    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 4.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 57 3:00 PM  
AVERAGE 79  
   
......................................................
 
 
THE AURORA MUNICIPAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 85 2007  
2019  
2021  
MINIMUM TEMPERATURE (F) 46 32 2004  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2023.....SUNRISE 6:49 AM CDT SUNSET 6:38 PM CDT  
OCTOBER 1 2023.......SUNRISE 6:50 AM CDT SUNSET 6:36 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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