613
CDUS43 KLOT 270640
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
140 AM CDT THU AUG 27 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 26 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 MM MM 94 2024 81 MM 75
MINIMUM MM MM 48 2025 60 MM 48
AVERAGE MM 71 MM 62
PRECIPITATION (IN)
YESTERDAY MM 1.50 2009 0.12 MM 0.00
MONTH TO DATE 4.22 3.21 1.01 2.68
SINCE JUN 1 16.26 10.48 5.78 12.29
SINCE JAN 1 29.14 22.74 6.40 20.35
DEGREE DAYS
HEATING
YESTERDAY MM 0 MM 3
MONTH TO DATE 0 0 0 7
SINCE JUN 1 25 37 -12 25
SINCE JUL 1 1 4 -3 7
COOLING
YESTERDAY MM 6 MM 0
MONTH TO DATE 161 191 -30 238
SINCE JUN 1 622 638 -16 870
SINCE JAN 1 681 694 -13 903
...............................................................
WIND (MPH)
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED MM
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST MM
LOWEST MM
AVERAGE MM
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 97 2024
MINIMUM TEMPERATURE (F) 60 47 2015
SUNRISE AND SUNSET
AUGUST 27 2026........SUNRISE 6:14 AM CDT SUNSET 7:35 PM CDT
AUGUST 28 2026........SUNRISE 6:15 AM CDT SUNSET 7:33 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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