Climatological Report (Daily)
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Issued by NWS
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844
CDUS43 KLOT 022147
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
447 PM CDT TUE SEP 02 2025
...................................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 2 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 80 2:31 PM 95 2008 80 0 76
MINIMUM 52 3:11 AM 43 2017 59 -7 52
AVERAGE 66 69 -3 64
PRECIPITATION (IN)
TODAY 0.00 1.14 2010 0.10 -0.10 0.00
MONTH TO DATE 0.00 0.20 -0.20 0.00
SINCE SEP 1 0.00 0.20 -0.20 0.00
SINCE JAN 1 20.53 23.57 -3.04 24.32
DEGREE DAYS
HEATING
TODAY 0 1 -1 1
MONTH TO DATE 0 2 -2 1
SINCE SEP 1 0 2 -2 1
SINCE JUL 1 11 13 -2 10
COOLING
TODAY 1 5 -4 0
MONTH TO DATE 2 10 -8 2
SINCE SEP 1 2 10 -8 2
SINCE JAN 1 910 734 176 800
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 3.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 6:00 AM
LOWEST 37 3:00 PM
AVERAGE 65
..........................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 91 2023
MINIMUM TEMPERATURE (F) 58 49 2024
SUNRISE AND SUNSET
SEPTEMBER 2 2025.....SUNRISE 6:20 AM CDT SUNSET 7:24 PM CDT
SEPTEMBER 3 2025.....SUNRISE 6:21 AM CDT SUNSET 7:23 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$