524
CDUS43 KLOT 100643
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
143 AM CDT MON AUG 10 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 9 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 84 11:29 AM 94 2005 83 1 92
MINIMUM 61 3:31 AM 49 1999 63 -2 73
AVERAGE 73 73 0 83
PRECIPITATION (IN)
YESTERDAY 0.66 0.88 2008 0.12 0.54 0.00
MONTH TO DATE 2.67 1.16 1.51 0.00
SINCE JUN 1 14.71 8.43 6.28 9.61
SINCE JAN 1 27.59 20.69 6.90 17.67
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 25 37 -12 18
SINCE JUL 1 1 4 -3 0
COOLING
YESTERDAY 8 8 0 18
MONTH TO DATE 68 72 -4 78
SINCE JUN 1 529 519 10 710
SINCE JAN 1 588 575 13 743
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 6.5
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 1:00 AM
LOWEST 74 11:00 AM
AVERAGE 87
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 92 2021
MINIMUM TEMPERATURE (F) 63 54 2008
2024
SUNRISE AND SUNSET
AUGUST 10 2026........SUNRISE 5:56 AM CDT SUNSET 8:00 PM CDT
AUGUST 11 2026........SUNRISE 5:57 AM CDT SUNSET 7:59 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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