Climatological Report (Daily)
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CDUS43 KLOT 132134
CLIDPA

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT SUN SEP 13 2026

...................................

...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 13 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         73     94    2005  77     -4       81
  MINIMUM         57     39    2014  55      2       64
  AVERAGE         65                 66     -1       73

PRECIPITATION (IN)
  TODAY           MM      6.02 2008   0.09  MM        0.31
  MONTH TO DATE    T                  1.29  -1.29     0.34
  SINCE SEP 1      T                  1.29  -1.29     0.34
  SINCE JAN 1     29.14              24.66   4.48    20.87

DEGREE DAYS
 HEATING
  TODAY            0                  2     -2        0
  MONTH TO DATE    0                 19    -19       47
  SINCE SEP 1      0                 19    -19       47
  SINCE JUL 1      1                 30    -29       58

 COOLING
  TODAY            0                  3     -3        8
  MONTH TO DATE  127                 54     73       23
  SINCE SEP 1    127                 54     73       23
  SINCE JAN 1    808                778     30      931
............................................................


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90          12:00 AM
 LOWEST     46          11:00 AM
 AVERAGE    68

..........................................................


THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   76        89      2024
 MINIMUM TEMPERATURE (F)   55        39      2011


SUNRISE AND SUNSET
SEPTEMBER 13 2026.....SUNRISE   6:31 AM CDT   SUNSET   7:06 PM CDT
SEPTEMBER 14 2026.....SUNRISE   6:32 AM CDT   SUNSET   7:04 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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