173
CDUS43 KLOT 150634
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT TUE SEP 15 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 14 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2026
WEATHER ITEM OBSERVED RECORD YEAR NORMAL DEPARTURE LAST
VALUE VALUE VALUE FROM YEAR
NORMAL
........................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 70 89 2024 76 -6 86
MINIMUM 46 39 2011 55 -9 61
AVERAGE 58 65 -7 74
PRECIPITATION (IN)
YESTERDAY 0.00 1.21 2008 0.10 -0.10 0.00
MONTH TO DATE 0.01 1.39 -1.38 0.34
SINCE SEP 1 0.01 1.39 -1.38 0.34
SINCE JAN 1 29.15 24.76 4.39 20.87
DEGREE DAYS
HEATING
YESTERDAY 7 3 4 0
MONTH TO DATE 10 22 -12 47
SINCE SEP 1 10 22 -12 47
SINCE JUL 1 11 33 -22 58
COOLING
YESTERDAY 0 3 -3 9
MONTH TO DATE 127 57 70 32
SINCE SEP 1 127 57 70 32
SINCE JAN 1 808 781 27 940
........................................................
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 4:00 AM
LOWEST 45 5:00 PM
AVERAGE 71
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THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 89 2024
MINIMUM TEMPERATURE (F) 54 36 2007
SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE 6:33 AM CDT SUNSET 7:02 PM CDT
SEPTEMBER 16 2026.....SUNRISE 6:34 AM CDT SUNSET 7:01 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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