171  
CDUS43 KLOT 170647  
CLIARR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
147 AM CDT SAT MAY 17 2025  
   
...............................  
 
   
..THE AURORA MUNICIPAL AIRPORT CLIMATE SUMMARY FOR MAY 16 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 88 2:48 PM 90 2001 72 16 74  
MINIMUM 56 MM 32 2011 49 7 46  
AVERAGE 72 60 12 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.01 2019 0.14 -0.14 T  
MONTH TO DATE 0.98 2.08 -1.10 1.59  
SINCE MAR 1 6.78 7.89 -1.11 9.34  
SINCE JAN 1 8.09 10.60 -2.51 12.44  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 5  
MONTH TO DATE 89 134 -45 63  
SINCE MAR 1 1193 1469 -276 1186  
SINCE JUL 1 5756 6341 -585 5465  
 
COOLING  
YESTERDAY 7 2 5 0  
MONTH TO DATE 32 15 17 4  
SINCE MAR 1 37 21 16 11  
SINCE JAN 1 37 21 16 11    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 48 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 17.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 2:00 AM  
LOWEST 21 3:00 PM  
AVERAGE 48  
   
......................................................  
 
THE AURORA MUNICIPAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 86 2017  
MINIMUM TEMPERATURE (F) 50 33 2009  
2011  
 
SUNRISE AND SUNSET  
MAY 17 2025...........SUNRISE 5:32 AM CDT SUNSET 8:09 PM CDT  
MAY 18 2025...........SUNRISE 5:31 AM CDT SUNSET 8:10 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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