Climatological Report (Daily)
Issued by NWS
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145
CDUS43 KLOT 120635
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT SUN OCT 12 2025
...................................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 11 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 68 2:07 PM 83 2024 65 3 83
MINIMUM 44 6:07 AM 28 2009 44 0 47
AVERAGE 56 54 2 65
PRECIPITATION (IN)
YESTERDAY 0.00 1.25 2019 0.11 -0.11 0.00
MONTH TO DATE 1.80 1.15 0.65 0.12
SINCE SEP 1 2.44 4.15 -1.71 1.54
SINCE JAN 1 22.97 27.52 -4.55 25.86
DEGREE DAYS
HEATING
YESTERDAY 9 11 -2 0
MONTH TO DATE 46 102 -56 57
SINCE SEP 1 93 202 -109 90
SINCE JUL 1 104 213 -109 99
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 47 9 38 3
SINCE SEP 1 174 97 77 113
SINCE JAN 1 1082 821 261 911
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 7.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 6:00 AM
LOWEST 54 11:00 AM
AVERAGE 72
..........................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 84 2008
MINIMUM TEMPERATURE (F) 43 30 2006
SUNRISE AND SUNSET
OCTOBER 12 2025.......SUNRISE 7:02 AM CDT SUNSET 6:16 PM CDT
OCTOBER 13 2025.......SUNRISE 7:03 AM CDT SUNSET 6:14 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$