370
CDUS43 KLOT 050637
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
137 AM CDT FRI SEP 05 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 4 2025...
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)
YESTERDAY
MAXIMUM 67 3:38 PM 93 2012 79 -12 82
MINIMUM 44R 5:27 AM 49 2000 58 -14 49
2020
2024
AVERAGE 56 69 -13 66
PRECIPITATION (IN)
YESTERDAY 0.00 2.41 2008 0.10 -0.10 0.00
MONTH TO DATE 0.03 0.40 -0.37 0.00
SINCE SEP 1 0.03 0.40 -0.37 0.00
SINCE JAN 1 20.56 23.77 -3.21 24.32
DEGREE DAYS
HEATING
YESTERDAY 9 1 8 0
MONTH TO DATE 11 4 7 3
SINCE SEP 1 11 4 7 3
SINCE JUL 1 22 15 7 12
COOLING
YESTERDAY 0 5 -5 1
MONTH TO DATE 2 20 -18 3
SINCE SEP 1 2 20 -18 3
SINCE JAN 1 910 744 166 801
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 8.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 5:00 AM
LOWEST 42 3:00 PM
AVERAGE 64
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 92 1999
MINIMUM TEMPERATURE (F) 58 42 1997
SUNRISE AND SUNSET
SEPTEMBER 5 2025.....SUNRISE 6:23 AM CDT SUNSET 7:19 PM CDT
SEPTEMBER 6 2025.....SUNRISE 6:24 AM CDT SUNSET 7:17 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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