Climatological Report (Daily)
Issued by NWS
Issued by NWS
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112
CDUS43 KLOT 160636
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT WED SEP 16 2026
...................................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 15 2026...
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)
YESTERDAY
MAXIMUM 83 89 2024 76 7 86
MINIMUM 63 36 2007 54 9 56
AVERAGE 73 65 8 71
PRECIPITATION (IN)
YESTERDAY 0.15 0.59 2013 0.10 0.05 0.00
MONTH TO DATE 0.16 1.49 -1.33 0.34
SINCE SEP 1 0.16 1.49 -1.33 0.34
SINCE JAN 1 29.30 24.86 4.44 20.87
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 0
MONTH TO DATE 10 25 -15 47
SINCE SEP 1 10 25 -15 47
SINCE JUL 1 11 36 -25 58
COOLING
YESTERDAY 8 3 5 6
MONTH TO DATE 135 60 75 38
SINCE SEP 1 135 60 75 38
SINCE JAN 1 816 784 32 946
............................................................
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 11:00 PM
LOWEST 59 12:00 AM
AVERAGE 78
..........................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 89 2018
2024
MINIMUM TEMPERATURE (F) 54 39 2000
SUNRISE AND SUNSET
SEPTEMBER 16 2026.....SUNRISE 6:34 AM CDT SUNSET 7:01 PM CDT
SEPTEMBER 17 2026.....SUNRISE 6:35 AM CDT SUNSET 6:59 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$