058
CDUS43 KLOT 170635
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1235 AM CST WED DEC 17 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 16 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 37 11:59 PM 65 2021 35 2 51
MINIMUM 11 3:28 AM 3 2013 21 -10 36
AVERAGE 24 28 -4 44
PRECIPITATION (IN)
YESTERDAY 0.00 0.27 2023 0.05 -0.05 0.01
MONTH TO DATE 0.39 0.95 -0.56 0.27
SINCE DEC 1 0.39 0.95 -0.56 0.27
SINCE JAN 1 26.09 32.51 -6.42 30.10
DEGREE DAYS
HEATING
YESTERDAY 41 37 4 21
MONTH TO DATE 736 552 184 581
SINCE DEC 1 736 552 184 581
SINCE JUL 1 1819 1838 -19 1495
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1084 823 261 927
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 9.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 6:00 AM
LOWEST 72 1:00 PM
AVERAGE 82
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 35 54 2006
MINIMUM TEMPERATURE (F) 21 -2 2000
SUNRISE AND SUNSET
DECEMBER 17 2025......SUNRISE 7:15 AM CST SUNSET 4:23 PM CST
DECEMBER 18 2025......SUNRISE 7:16 AM CST SUNSET 4:24 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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