192
CDUS43 KLOT 200645
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
145 AM CDT THU AUG 20 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 19 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 89 2021 82 MM 79
MINIMUM MM MM 51 1997 62 MM 67
AVERAGE MM 72 MM 73
PRECIPITATION (IN)
YESTERDAY MM 0.35 2009 0.12 MM 0.08
MONTH TO DATE 4.22 2.40 1.82 2.68
SINCE JUN 1 16.26 9.67 6.59 12.29
SINCE JAN 1 29.14 21.93 7.21 20.35
DEGREE DAYS
HEATING
YESTERDAY MM 0 MM 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 25 37 -12 18
SINCE JUL 1 1 4 -3 0
COOLING
YESTERDAY MM 7 MM 8
MONTH TO DATE 153 147 6 212
SINCE JUN 1 614 594 20 844
SINCE JAN 1 673 650 23 877
...............................................................
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) 82 93 2023
MINIMUM TEMPERATURE (F) 62 51 2002
SUNRISE AND SUNSET
AUGUST 20 2026........SUNRISE 6:06 AM CDT SUNSET 7:46 PM CDT
AUGUST 21 2026........SUNRISE 6:07 AM CDT SUNSET 7:44 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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