502
CDUS43 KLOT 010641
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1241 AM CST SUN FEB 01 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 31 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 25 3:56 PM 56 2012 31 -6 41
MINIMUM 6 11:48 PM -29 2019 16 -10 28
AVERAGE 16 23 -7 35
PRECIPITATION (IN)
YESTERDAY T 0.92 2025 0.04 -0.04 0.92
MONTH TO DATE 1.17 1.27 -0.10 1.34
SINCE DEC 1 2.58 2.94 -0.36 2.41
SINCE JAN 1 1.17 1.27 -0.10 1.34
DEGREE DAYS
HEATING
YESTERDAY 49 42 7 30
MONTH TO DATE 1371 1293 78 1352
SINCE DEC 1 2608 2427 181 2308
SINCE JUL 1 3691 3713 -22 3222
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 10.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 11:00 PM
LOWEST 63 3:00 PM
AVERAGE 74
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 31 54 2024
MINIMUM TEMPERATURE (F) 16 -2 2013
SUNRISE AND SUNSET
FEBRUARY 1 2026......SUNRISE 7:05 AM CST SUNSET 5:08 PM CST
FEBRUARY 2 2026......SUNRISE 7:04 AM CST SUNSET 5:09 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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