969
CDUS43 KLOT 210633
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT TUE APR 21 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR APRIL 20 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 56 5:45 PM 80 2014 61 -5 62
MINIMUM 28 5:32 AM 25 2018 39 -11 43
AVERAGE 42 50 -8 53
PRECIPITATION (IN)
YESTERDAY 0.00 0.64 2023 0.12 -0.12 0.57
MONTH TO DATE 4.71 2.05 2.66 1.60
SINCE MAR 1 9.28 4.02 5.26 4.50
SINCE JAN 1 10.53 6.53 4.00 6.07
DEGREE DAYS
HEATING
YESTERDAY 23 15 8 12
MONTH TO DATE 275 363 -88 361
SINCE MAR 1 947 1213 -266 1023
SINCE JUL 1 5589 5990 -401 5344
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 12 0 12 3
SINCE MAR 1 12 2 10 3
SINCE JAN 1 12 2 10 3
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 6.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 4:00 AM
LOWEST 31 5:00 PM
AVERAGE 64
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 81 2001
MINIMUM TEMPERATURE (F) 40 29 2011
2021
2024
SUNRISE AND SUNSET
APRIL 21 2026.........SUNRISE 6:03 AM CDT SUNSET 7:41 PM CDT
APRIL 22 2026.........SUNRISE 6:02 AM CDT SUNSET 7:42 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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