Climatological Report (Daily)
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144
CDUS43 KLOT 102138
CLIDPA

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
438 PM CDT SUN AUG 10 2025

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

...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 10 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         88  10:24 AM  92    2021  83      5       74
  MINIMUM         77   6:38 AM  54    2008  63     14       54
                                      2024
  AVERAGE         83                        73     10       64

PRECIPITATION (IN)
  TODAY            0.00          0.31 2020   0.11  -0.11     0.00
  MONTH TO DATE    0.00                      1.27  -1.27     0.74
  SINCE JUN 1      9.61                      8.54   1.07    10.33
  SINCE JAN 1     17.67                     20.80  -3.13    22.97

DEGREE DAYS
 HEATING
  TODAY            0                         0      0        1
  MONTH TO DATE    0                         0      0        2
  SINCE JUN 1     18                        37    -19       18
  SINCE JUL 1      0                         4     -4        5

 COOLING
  TODAY           18                         8     10        0
  MONTH TO DATE   96                        80     16       81
  SINCE JUN 1    728                       527    201      585
  SINCE JAN 1    761                       583    178      639
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED    11.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82           4:00 AM
 LOWEST     59          10:00 AM
 AVERAGE    71

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


THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83        92      2016
 MINIMUM TEMPERATURE (F)   63        50      2004


SUNRISE AND SUNSET
AUGUST 10 2025........SUNRISE   5:56 AM CDT   SUNSET   8:00 PM CDT
AUGUST 11 2025........SUNRISE   5:57 AM CDT   SUNSET   7:58 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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