Climatological Report (Daily)
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CDUS43 KLOT 122145
CLIDPA

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
445 PM CDT SUN OCT 12 2025

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

...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 12 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         70   2:56 PM  84    2008  64      6       69
  MINIMUM         43   4:22 AM  30    2006  43      0       58
  AVERAGE         57                        54      3       64

PRECIPITATION (IN)
  TODAY            0.00          0.54 2001   0.11  -0.11     0.00
  MONTH TO DATE    1.80                      1.26   0.54     0.12
  SINCE SEP 1      2.44                      4.26  -1.82     1.54
  SINCE JAN 1     22.97                     27.63  -4.66    25.86

DEGREE DAYS
 HEATING
  TODAY            8                        12     -4        1
  MONTH TO DATE   54                       114    -60       58
  SINCE SEP 1    101                       214   -113       91
  SINCE JUL 1    112                       225   -113      100

 COOLING
  TODAY            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    13   HIGHEST WIND DIRECTION     S (160)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    SE (140)
  AVERAGE WIND SPEED     4.3


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           6:00 AM
 LOWEST     46           3:00 PM
 AVERAGE    68

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


THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   64        78      2008
 MINIMUM TEMPERATURE (F)   43        31      2002
                                             2006
                                             2018


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.




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