321
CDUS43 KLOT 120632
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT SAT SEP 12 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 11 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 81 MM 91 2005 77 4 81
2019
MINIMUM 53 MM 43 1999 56 -3 59
AVERAGE 67 66 1 70
PRECIPITATION (IN)
YESTERDAY 0.00 0.89 2006 0.09 -0.09 0.00
MONTH TO DATE T 1.10 -1.10 0.03
SINCE SEP 1 T 1.10 -1.10 0.03
SINCE JAN 1 29.14 24.47 4.67 20.56
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 0 15 -15 47
SINCE SEP 1 0 15 -15 47
SINCE JUL 1 1 26 -25 58
COOLING
YESTERDAY 2 4 -2 5
MONTH TO DATE 118 48 70 10
SINCE SEP 1 118 48 70 10
SINCE JAN 1 799 772 27 918
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 4.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 5:00 AM
LOWEST 44 1:00 PM
AVERAGE 70
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 90 2005
MINIMUM TEMPERATURE (F) 55 42 1997
SUNRISE AND SUNSET
SEPTEMBER 12 2026.....SUNRISE 6:30 AM CDT SUNSET 7:08 PM CDT
SEPTEMBER 13 2026.....SUNRISE 6:31 AM CDT SUNSET 7:06 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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