654
CDUS43 KLOT 180644
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
144 AM CDT SAT APR 18 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR APRIL 17 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 80 3:37 PM 84 2002 60 20 63
MINIMUM 49 5:31 AM 25 2022 38 11 40
AVERAGE 65 49 16 52
PRECIPITATION (IN)
YESTERDAY 0.49 1.59 2013 0.13 0.36 0.08
MONTH TO DATE 4.59 1.68 2.91 1.01
SINCE MAR 1 9.16 3.65 5.51 3.91
SINCE JAN 1 10.41 6.16 4.25 5.48
DEGREE DAYS
HEATING
YESTERDAY 0 16 -16 13
MONTH TO DATE 213 317 -104 337
SINCE MAR 1 885 1167 -282 999
SINCE JUL 1 5527 5944 -417 5320
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 12 0 12 0
SINCE MAR 1 12 2 10 0
SINCE JAN 1 12 2 10 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 52 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 14.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 2:00 AM
LOWEST 52 4:00 PM
AVERAGE 76
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 88 2002
MINIMUM TEMPERATURE (F) 39 26 2018
SUNRISE AND SUNSET
APRIL 18 2026.........SUNRISE 6:08 AM CDT SUNSET 7:37 PM CDT
APRIL 19 2026.........SUNRISE 6:06 AM CDT SUNSET 7:39 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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