Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 220640
CLIARR
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
140 AM CDT MON SEP 22 2025
...................................
...THE AURORA MUNICIPAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 21 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 83 3:19 PM 93 2024 75 8 93
MINIMUM 64 4:51 AM 36 1999 50 14 54
AVERAGE 74 62 12 74
PRECIPITATION (IN)
YESTERDAY T 0.73 2016 0.11 -0.11 0.00
MONTH TO DATE 0.88 2.11 -1.23 0.04
SINCE SEP 1 0.88 2.11 -1.23 0.04
SINCE JAN 1 22.45 25.73 -3.28 29.44
DEGREE DAYS
HEATING
YESTERDAY 0 5 -5 0
MONTH TO DATE 61 57 4 30
SINCE SEP 1 61 57 4 30
SINCE JUL 1 82 75 7 48
COOLING
YESTERDAY 9 2 7 9
MONTH TO DATE 81 67 14 77
SINCE SEP 1 81 67 14 77
SINCE JAN 1 978 755 223 843
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 5.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 2:00 AM
LOWEST 55 3:00 PM
AVERAGE 76
..........................................................
THE AURORA MUNICIPAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 93 2017
MINIMUM TEMPERATURE (F) 49 33 1999
SUNRISE AND SUNSET
SEPTEMBER 22 2025.....SUNRISE 6:42 AM CDT SUNSET 6:51 PM CDT
SEPTEMBER 23 2025.....SUNRISE 6:43 AM CDT SUNSET 6:49 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$