Climatological Report (Daily)
Issued by NWS
Issued by NWS
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903
CDUS43 KLOT 040643
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
143 AM CDT SAT OCT 04 2025
...................................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 3 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 89R 3:43 PM 88 2018 69 20 78
MINIMUM 59 5:50 AM 31 2004 47 12 46
AVERAGE 74 58 16 62
PRECIPITATION (IN)
YESTERDAY 0.00 1.17 2000 0.10 -0.10 0.00
MONTH TO DATE 0.00 0.32 -0.32 0.00
SINCE SEP 1 0.64 3.32 -2.68 1.42
SINCE JAN 1 21.17 26.69 -5.52 25.74
DEGREE DAYS
HEATING
YESTERDAY 0 8 -8 3
MONTH TO DATE 0 24 -24 16
SINCE SEP 1 47 124 -77 49
SINCE JUL 1 58 135 -77 58
COOLING
YESTERDAY 9 1 8 0
MONTH TO DATE 20 3 17 0
SINCE SEP 1 147 91 56 110
SINCE JAN 1 1055 815 240 908
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 3.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 5:00 AM
LOWEST 31 4:00 PM
AVERAGE 57
..........................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 87 2005
MINIMUM TEMPERATURE (F) 46 31 2004
SUNRISE AND SUNSET
OCTOBER 4 2025.......SUNRISE 6:53 AM CDT SUNSET 6:29 PM CDT
OCTOBER 5 2025.......SUNRISE 6:55 AM CDT SUNSET 6:27 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$