912
CDUS43 KLOT 240633
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT WED SEP 24 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 23 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 2:15 PM 94 2017 73 9 67
MINIMUM 62 11:38 PM 36 2012 51 11 53
AVERAGE 72 62 10 60
PRECIPITATION (IN)
YESTERDAY 0.02 1.26 2001 0.10 -0.08 0.00
MONTH TO DATE 0.64 2.31 -1.67 0.91
SINCE SEP 1 0.64 2.31 -1.67 0.91
SINCE JAN 1 21.17 25.68 -4.51 25.23
DEGREE DAYS
HEATING
YESTERDAY 0 5 -5 5
MONTH TO DATE 47 57 -10 27
SINCE SEP 1 47 57 -10 27
SINCE JUL 1 58 68 -10 36
COOLING
YESTERDAY 7 2 5 0
MONTH TO DATE 94 78 16 96
SINCE SEP 1 94 78 16 96
SINCE JAN 1 1002 802 200 894
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 5.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 8:00 AM
LOWEST 54 1:00 PM
AVERAGE 72
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 91 2007
2017
MINIMUM TEMPERATURE (F) 50 32 2012
SUNRISE AND SUNSET
SEPTEMBER 24 2025.....SUNRISE 6:43 AM CDT SUNSET 6:46 PM CDT
SEPTEMBER 25 2025.....SUNRISE 6:44 AM CDT SUNSET 6:44 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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