351
CDUS43 KLOT 010655
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
155 AM CDT MON SEP 01 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 31 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 78 2:53 PM 91 2000 80 -2 83
2010
2012
MINIMUM 49 5:14 AM 43 2009 59 -10 58
AVERAGE 64 70 -6 71
PRECIPITATION (IN)
YESTERDAY 0.00 0.94 2013 0.13 -0.13 0.00
MONTH TO DATE 2.86 3.84 -0.98 2.09
SINCE JUN 1 12.47 11.11 1.36 11.68
SINCE JAN 1 20.53 23.37 -2.84 24.32
DEGREE DAYS
HEATING
YESTERDAY 1 1 0 0
MONTH TO DATE 11 2 9 6
SINCE JUN 1 29 39 -10 22
SINCE JUL 1 11 6 5 9
COOLING
YESTERDAY 0 5 -5 6
MONTH TO DATE 243 221 22 240
SINCE JUN 1 875 668 207 744
SINCE JAN 1 908 724 184 798
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 3.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 5:00 AM
LOWEST 37 3:00 PM
AVERAGE 65
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 92 2000
2008
2011
MINIMUM TEMPERATURE (F) 59 44 2009
SUNRISE AND SUNSET
SEPTEMBER 1 2025.....SUNRISE 6:19 AM CDT SUNSET 7:26 PM CDT
SEPTEMBER 2 2025.....SUNRISE 6:20 AM CDT SUNSET 7:24 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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