Climatological Report (Daily)
Issued by NWS

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468
CDUS43 KLOT 290634
CLIDPA

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT FRI AUG 29 2025

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

...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 28 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         80   1:45 PM  93    2021  81     -1       84
  MINIMUM         56  11:59 PM  52    2023  60     -4       70
  AVERAGE         68                        70     -2       77

PRECIPITATION (IN)
  YESTERDAY        0.18          1.26 2004   0.12   0.06     0.16
  MONTH TO DATE    2.86                      3.46  -0.60     1.87
  SINCE JUN 1     12.47                     10.73   1.74    11.46
  SINCE JAN 1     20.53                     22.99  -2.46    24.10

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    8                         0      8        6
  SINCE JUN 1     26                        37    -11       22
  SINCE JUL 1      8                         4      4        9

 COOLING
  YESTERDAY        3                         6     -3       12
  MONTH TO DATE  241                       203     38      211
  SINCE JUN 1    873                       650    223      715
  SINCE JAN 1    906                       706    200      769
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NE (40)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED     6.9


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           5:00 AM
 LOWEST     52           2:00 PM
 AVERAGE    73

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


THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80        92      2010
 MINIMUM TEMPERATURE (F)   60        51      1999
                                             2001


SUNRISE AND SUNSET
AUGUST 29 2025........SUNRISE   6:16 AM CDT   SUNSET   7:31 PM CDT
AUGUST 30 2025........SUNRISE   6:17 AM CDT   SUNSET   7:29 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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