121
CDUS43 KLOT 080636
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT MON SEP 08 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 7 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 69 4:22 PM 90 2016 78 -9 66
2021
MINIMUM 42R 5:03 AM 46 2011 57 -15 47
AVERAGE 56 68 -12 57
PRECIPITATION (IN)
YESTERDAY 0.00 1.27 1998 0.10 -0.10 0.00
MONTH TO DATE 0.03 0.70 -0.67 T
SINCE SEP 1 0.03 0.70 -0.67 T
SINCE JAN 1 20.56 24.07 -3.51 24.32
DEGREE DAYS
HEATING
YESTERDAY 9 1 8 8
MONTH TO DATE 36 7 29 15
SINCE SEP 1 36 7 29 15
SINCE JUL 1 47 18 29 24
COOLING
YESTERDAY 0 4 -4 0
MONTH TO DATE 2 32 -30 10
SINCE SEP 1 2 32 -30 10
SINCE JAN 1 910 756 154 808
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 5.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 11:00 PM
LOWEST 38 5:00 PM
AVERAGE 61
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 90 2002
MINIMUM TEMPERATURE (F) 57 44 2024
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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