837
CDUS43 KLOT 082135
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT MON SEP 08 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 8 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 72 2:01 PM 90 2002 78 -6 72
MINIMUM 44R 5:56 AM 44 2024 57 -13 44
AVERAGE 58 67 -9 58
PRECIPITATION (IN)
TODAY 0.00 1.22 2008 0.11 -0.11 0.00
MONTH TO DATE 0.03 0.81 -0.78 T
SINCE SEP 1 0.03 0.81 -0.78 T
SINCE JAN 1 20.56 24.18 -3.62 24.32
DEGREE DAYS
HEATING
TODAY 7 2 5 7
MONTH TO DATE 43 9 34 22
SINCE SEP 1 43 9 34 22
SINCE JUL 1 54 20 34 31
COOLING
TODAY 0 4 -4 0
MONTH TO DATE 2 36 -34 10
SINCE SEP 1 2 36 -34 10
SINCE JAN 1 910 760 150 808
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 3.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 6:00 AM
LOWEST 39 3:00 PM
AVERAGE 65
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 90 2013
MINIMUM TEMPERATURE (F) 56 46 2008
2010
SUNRISE AND SUNSET
SEPTEMBER 8 2025.....SUNRISE 6:26 AM CDT SUNSET 7:14 PM CDT
SEPTEMBER 9 2025.....SUNRISE 6:27 AM CDT SUNSET 7:12 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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