Climatological Report (Daily)
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053
CDUS43 KLOT 162141
CLIDPA

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
441 PM CDT SUN AUG 16 2026

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

...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 16 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         85   1:51 PM  95    2025  82      3       95
  MINIMUM         71   2:40 AM  49    2004  62      9       71
  AVERAGE         78                        72      6       83

PRECIPITATION (IN)
  TODAY            0.06          0.77 2009   0.13  -0.07     0.30
  MONTH TO DATE    4.21                      2.03   2.18     0.59
  SINCE JUN 1     16.25                      9.30   6.95    10.20
  SINCE JAN 1     29.13                     21.56   7.57    18.26

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           13                         7      6       18
  MONTH TO DATE  141                       126     15      176
  SINCE JUN 1    602                       573     29      808
  SINCE JAN 1    661                       629     32      841
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     8.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           4:00 AM
 LOWEST     72           2:00 PM
 AVERAGE    86

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


THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        87      2015
 MINIMUM TEMPERATURE (F)   62        51      2013


SUNRISE AND SUNSET
AUGUST 16 2026........SUNRISE   6:02 AM CDT   SUNSET   7:52 PM CDT
AUGUST 17 2026........SUNRISE   6:03 AM CDT   SUNSET   7:50 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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