654
CDUS43 KLOT 140637
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
137 AM CDT SUN SEP 14 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 13 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 81 4:29 PM 94 2005 77 4 85
MINIMUM 64 8:09 AM 39 2014 55 9 60
AVERAGE 73 66 7 73
PRECIPITATION (IN)
YESTERDAY 0.31 6.02 2008 0.09 0.22 0.00
MONTH TO DATE 0.34 1.29 -0.95 T
SINCE SEP 1 0.34 1.29 -0.95 T
SINCE JAN 1 20.87 24.66 -3.79 24.32
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 47 19 28 22
SINCE SEP 1 47 19 28 22
SINCE JUL 1 58 30 28 31
COOLING
YESTERDAY 8 3 5 8
MONTH TO DATE 23 54 -31 30
SINCE SEP 1 23 54 -31 30
SINCE JAN 1 931 778 153 828
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 6.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 8:00 AM
LOWEST 58 5:00 PM
AVERAGE 76
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 89 2024
MINIMUM TEMPERATURE (F) 55 39 2011
SUNRISE AND SUNSET
SEPTEMBER 14 2025.....SUNRISE 6:32 AM CDT SUNSET 7:04 PM CDT
SEPTEMBER 15 2025.....SUNRISE 6:33 AM CDT SUNSET 7:02 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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