426
CDUS43 KLOT 030631
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT FRI OCT 03 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 2 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 85R MM 83 2005 69 16 71
2017
2023
MINIMUM 56 MM 27 2003 47 9 43
AVERAGE 71 58 13 57
PRECIPITATION (IN)
YESTERDAY MM 1.23 2019 0.11 MM 0.00
MONTH TO DATE 0.00 0.22 -0.22 0.00
SINCE SEP 1 0.64 3.22 -2.58 1.42
SINCE JAN 1 21.17 26.59 -5.42 25.74
DEGREE DAYS
HEATING
YESTERDAY 0 8 -8 8
MONTH TO DATE 0 16 -16 13
SINCE SEP 1 47 116 -69 46
SINCE JUL 1 58 127 -69 55
COOLING
YESTERDAY 6 1 5 0
MONTH TO DATE 11 2 9 0
SINCE SEP 1 138 90 48 110
SINCE JAN 1 1046 814 232 908
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 5.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 11:00 PM
LOWEST 37 4:00 PM
AVERAGE 54
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 88 2018
MINIMUM TEMPERATURE (F) 47 31 2004
SUNRISE AND SUNSET
OCTOBER 3 2025.......SUNRISE 6:52 AM CDT SUNSET 6:31 PM CDT
OCTOBER 4 2025.......SUNRISE 6:53 AM CDT SUNSET 6:29 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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