991
CDUS43 KLOT 200634
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT MON OCT 20 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 19 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 60 1:40 PM 75 2000 61 -1 72
MINIMUM 44 11:59 PM 28 1997 41 3 36
AVERAGE 52 51 1 54
PRECIPITATION (IN)
YESTERDAY 0.55R 0.18 2023 0.09 0.46 0.00
MONTH TO DATE 2.97 1.94 1.03 0.13
SINCE SEP 1 3.61 4.94 -1.33 1.55
SINCE JAN 1 24.14 28.31 -4.17 25.87
DEGREE DAYS
HEATING
YESTERDAY 13 14 -1 11
MONTH TO DATE 86 205 -119 159
SINCE SEP 1 133 305 -172 192
SINCE JUL 1 144 316 -172 201
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 49 9 40 3
SINCE SEP 1 176 97 79 113
SINCE JAN 1 1084 821 263 911
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 13.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 12:00 AM
LOWEST 42 4:00 PM
AVERAGE 66
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THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 84 2003
MINIMUM TEMPERATURE (F) 41 26 2018
SUNRISE AND SUNSET
OCTOBER 20 2025.......SUNRISE 7:11 AM CDT SUNSET 6:03 PM CDT
OCTOBER 21 2025.......SUNRISE 7:13 AM CDT SUNSET 6:02 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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