Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 110641
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
141 AM CDT THU SEP 11 2025
...................................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 10 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 82 2:48 PM 92 2005 78 4 81
2013
MINIMUM 54 5:58 AM 42 1999 56 -2 50
2017
AVERAGE 68 67 1 66
PRECIPITATION (IN)
YESTERDAY 0.00 1.41 2014 0.10 -0.10 0.00
MONTH TO DATE 0.03 1.01 -0.98 T
SINCE SEP 1 0.03 1.01 -0.98 T
SINCE JAN 1 20.56 24.38 -3.82 24.32
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 47 13 34 22
SINCE SEP 1 47 13 34 22
SINCE JUL 1 58 24 34 31
COOLING
YESTERDAY 3 4 -1 1
MONTH TO DATE 5 44 -39 12
SINCE SEP 1 5 44 -39 12
SINCE JAN 1 913 768 145 810
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 3.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 6:00 AM
LOWEST 34 1:00 PM
AVERAGE 60
..........................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 91 2005
2019
MINIMUM TEMPERATURE (F) 56 43 1999
SUNRISE AND SUNSET
SEPTEMBER 11 2025.....SUNRISE 6:29 AM CDT SUNSET 7:09 PM CDT
SEPTEMBER 12 2025.....SUNRISE 6:30 AM CDT SUNSET 7:07 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$