602
CDUS43 KLOT 090638
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
138 AM CDT THU OCT 09 2025
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 8 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 67 1:30 PM 87 2007 66 1 74
MINIMUM 44 11:17 PM 27 2012 45 -1 42
AVERAGE 56 56 0 58
PRECIPITATION (IN)
YESTERDAY 0.00 1.12 2004 0.10 -0.10 0.00
MONTH TO DATE 1.79 0.83 0.96 0.12
SINCE SEP 1 2.43 3.83 -1.40 1.54
SINCE JAN 1 22.96 27.20 -4.24 25.86
DEGREE DAYS
HEATING
YESTERDAY 9 10 -1 7
MONTH TO DATE 16 70 -54 43
SINCE SEP 1 63 170 -107 76
SINCE JUL 1 74 181 -107 85
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 47 8 39 3
SINCE SEP 1 174 96 78 113
SINCE JAN 1 1082 820 262 911
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 5.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 6:00 AM
LOWEST 43 2:00 PM
AVERAGE 67
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 88 2010
MINIMUM TEMPERATURE (F) 44 26 2000
SUNRISE AND SUNSET
OCTOBER 9 2025.......SUNRISE 6:59 AM CDT SUNSET 6:21 PM CDT
OCTOBER 10 2025.......SUNRISE 7:00 AM CDT SUNSET 6:19 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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