025
CDUS43 KLOT 180640
CLIARR
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
140 AM CDT THU SEP 18 2025
...............................
...THE AURORA MUNICIPAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 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 87 3:04 PM 92 2018 76 11 86
MINIMUM 49 5:06 AM 39 1999 51 -2 50
2014
AVERAGE 68 64 4 68
PRECIPITATION (IN)
YESTERDAY 0.00 0.55 2023 0.10 -0.10 0.00
MONTH TO DATE 0.35 1.69 -1.34 T
SINCE SEP 1 0.35 1.69 -1.34 T
SINCE JAN 1 21.92 25.31 -3.39 29.40
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 0
MONTH TO DATE 61 40 21 30
SINCE SEP 1 61 40 21 30
SINCE JUL 1 82 58 24 48
COOLING
YESTERDAY 3 2 1 3
MONTH TO DATE 52 59 -7 49
SINCE SEP 1 52 59 -7 49
SINCE JAN 1 949 747 202 815
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WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 2.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 5:00 AM
LOWEST 36 3:00 PM
AVERAGE 66
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THE AURORA MUNICIPAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 89 2007
MINIMUM TEMPERATURE (F) 51 38 2012
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 6:37 AM CDT SUNSET 6:57 PM CDT
SEPTEMBER 19 2025.....SUNRISE 6:38 AM CDT SUNSET 6:56 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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