Climatological Report (Daily)
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924
CDUS43 KLOT 092141
CLIDPA

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
441 PM CDT SUN AUG 09 2026

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

...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 9 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         84  11:29 AM  94    2005  83      1       92
  MINIMUM         61        MM  49    1999  63     -2       73
  AVERAGE         73                        73      0       83

PRECIPITATION (IN)
  TODAY            0.61          0.88 2008   0.12   0.49     0.00
  MONTH TO DATE    2.62                      1.16   1.46     0.00
  SINCE JUN 1     14.66                      8.43   6.23     9.61
  SINCE JAN 1     27.54                     20.69   6.85    17.67

DEGREE DAYS
 HEATING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1     25                        37    -12       18
  SINCE JUL 1      1                         4     -3        0

 COOLING
  TODAY            8                         8      0       18
  MONTH TO DATE   68                        72     -4       78
  SINCE JUN 1    529                       519     10      710
  SINCE JAN 1    588                       575     13      743
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     5.4


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  THUNDERSTORM
  HEAVY RAIN
  LIGHT RAIN
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           1:00 AM
 LOWEST     74          11:00 AM
 AVERAGE    87

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


THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83        92      2021
 MINIMUM TEMPERATURE (F)   63        54      2008
                                             2024


SUNRISE AND SUNSET
AUGUST  9 2026........SUNRISE   5:55 AM CDT   SUNSET   8:01 PM CDT
AUGUST 10 2026........SUNRISE   5:56 AM CDT   SUNSET   8:00 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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