Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 012141
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
441 PM CDT THU OCT 01 2026
...................................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 1 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 70 87 2019 70 0 79
MINIMUM 63 31 2003 48 15 60
AVERAGE 67 58 9 70
PRECIPITATION (IN)
TODAY 0.31 1.29 2018 0.11 0.20 0.00
MONTH TO DATE 0.31 0.11 0.20 0.00
SINCE SEP 1 5.05 3.11 1.94 0.64
SINCE JAN 1 34.19 26.48 7.71 21.17
DEGREE DAYS
HEATING
TODAY 0 8 -8 0
MONTH TO DATE 0 8 -8 0
SINCE SEP 1 53 108 -55 47
SINCE JUL 1 54 119 -65 58
COOLING
TODAY 2 1 1 5
MONTH TO DATE 2 1 1 5
SINCE SEP 1 151 89 62 132
SINCE JAN 1 832 813 19 1040
............................................................
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 90 9:00 AM
AVERAGE 95
..........................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 85 2025
MINIMUM TEMPERATURE (F) 47 27 2003
SUNRISE AND SUNSET
OCTOBER 1 2026.......SUNRISE 6:50 AM CDT SUNSET 6:34 PM CDT
OCTOBER 2 2026.......SUNRISE 6:51 AM CDT SUNSET 6:33 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$