Climatological Report (Daily)
Issued by NWS
Issued by NWS
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204
CDUS43 KLOT 210634
CLIARR
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT MON SEP 21 2026
...................................
...THE AURORA MUNICIPAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 69 2:57 AM 95 2018 75 -6 80
MINIMUM 61 9:43 PM 34 2003 50 11 63
AVERAGE 65 62 3 72
PRECIPITATION (IN)
YESTERDAY 2.00R 0.56 2000 0.10 1.90 0.53
MONTH TO DATE 7.02 2.00 5.02 0.88
SINCE SEP 1 7.02 2.00 5.02 0.88
SINCE JAN 1 41.98 25.62 16.36 22.45
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 0
MONTH TO DATE 12 52 -40 61
SINCE SEP 1 12 52 -40 61
SINCE JUL 1 16 70 -54 82
COOLING
YESTERDAY 0 2 -2 7
MONTH TO DATE 143 65 78 72
SINCE SEP 1 143 65 78 72
SINCE JAN 1 852 753 99 969
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 10.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 2:00 AM
LOWEST 90 7:00 PM
AVERAGE 95
..........................................................
THE AURORA MUNICIPAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 93 2024
MINIMUM TEMPERATURE (F) 50 36 1999
SUNRISE AND SUNSET
SEPTEMBER 21 2026.....SUNRISE 6:40 AM CDT SUNSET 6:53 PM CDT
SEPTEMBER 22 2026.....SUNRISE 6:41 AM CDT SUNSET 6:51 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$