Climatological Report (Daily)
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CDUS43 KLOT 210638
CLIDPA

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1238 AM CST FRI NOV 21 2025

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

...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR NOVEMBER 20 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         47   6:52 PM  64    2003  46      1       48
  MINIMUM         42   8:01 AM  11    2022  29     13       32
  AVERAGE         45                        38      7       40

PRECIPITATION (IN)
  YESTERDAY        0.00          0.26 2007   0.08  -0.08     0.02
  MONTH TO DATE    0.80                      1.50  -0.70     2.99
  SINCE SEP 1      4.51                      7.49  -2.98     5.43
  SINCE JAN 1     25.04                     30.86  -5.82    29.75

DEGREE DAYS
 HEATING
  YESTERDAY       20                        28     -8       25
  MONTH TO DATE  427                       471    -44      300
  SINCE SEP 1    765                       978   -213      598
  SINCE JUL 1    776                       989   -213      607

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1    176                        99     77      129
  SINCE JAN 1   1084                       823    261      927
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM
  AVERAGE WIND SPEED     6.1


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           6:00 AM
 LOWEST     86           2:00 PM
 AVERAGE    93

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


THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   45        60      2010
 MINIMUM TEMPERATURE (F)   29         6      2014


SUNRISE AND SUNSET
NOVEMBER 21 2025......SUNRISE   6:50 AM CST   SUNSET   4:27 PM CST
NOVEMBER 22 2025......SUNRISE   6:51 AM CST   SUNSET   4:27 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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