Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 180640
CLIARR
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
140 AM CDT TUE AUG 18 2026
...................................
...THE AURORA MUNICIPAL AIRPORT CLIMATE SUMMARY FOR AUGUST 17 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 80 2:22 PM 88 2025 82 -2 88
MINIMUM 62 5:34 AM 48 2012 60 2 72
AVERAGE 71 71 0 80
PRECIPITATION (IN)
YESTERDAY 0.00 2.37 2025 0.11 -0.11 2.37
MONTH TO DATE 5.10 1.90 3.20 3.12
SINCE JUN 1 21.28 9.59 11.69 10.40
SINCE JAN 1 34.52 22.17 12.35 19.92
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 19 35 -16 13
SINCE JUL 1 2 6 -4 0
COOLING
YESTERDAY 6 6 0 15
MONTH TO DATE 132 118 14 175
SINCE JUN 1 567 551 16 810
SINCE JAN 1 642 613 29 847
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 5.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 2:00 AM
LOWEST 50 4:00 PM
AVERAGE 75
..........................................................
THE AURORA MUNICIPAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 90 2025
MINIMUM TEMPERATURE (F) 60 47 2012
SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE 6:05 AM CDT SUNSET 7:49 PM CDT
AUGUST 19 2026........SUNRISE 6:06 AM CDT SUNSET 7:48 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$