Climatological Report (Daily)
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017
CDUS43 KLOT 182154
CLIPWK

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
454 PM CDT FRI SEP 18 2026

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

...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1996 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         72  10:51 AM  89    2007  75     -3       85
  MINIMUM         62   5:25 AM  42    2012  55      7       59
  AVERAGE         67                        65      2       72

PRECIPITATION (IN)
  TODAY            0.00          1.64 2015   0.10  -0.10     0.00
  MONTH TO DATE    0.95                      1.83  -0.88     1.40
  SINCE SEP 1      0.95                      1.83  -0.88     1.40
  SINCE JAN 1     27.51                     24.17   3.34    19.17

DEGREE DAYS
 HEATING
  TODAY            0                         3     -3        0
  MONTH TO DATE    6                        27    -21       34
  SINCE SEP 1      6                        27    -21       34
  SINCE JUL 1      6                        34    -28       42

 COOLING
  TODAY            2                         3     -1        7
  MONTH TO DATE  149                        82     67       59
  SINCE SEP 1    149                        82     67       59
  SINCE JAN 1    941                       896     45      983
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED     6.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           5:00 AM
 LOWEST     55          11:00 AM
 AVERAGE    74

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


THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        89      2024
 MINIMUM TEMPERATURE (F)   55        38      2012


SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE   6:35 AM CDT   SUNSET   6:56 PM CDT
SEPTEMBER 19 2026.....SUNRISE   6:36 AM CDT   SUNSET   6:54 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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