Climatological Report (Daily)
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CDUS43 KLOT 122133
CLIPWK

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CDT SAT SEP 12 2026

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

...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 12 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         87   1:31 PM  90    2005  77     10       86
  MINIMUM         61   3:06 AM  45    2007  58      3       59
                                      2014
  AVERAGE         74                        67      7       73

PRECIPITATION (IN)
  TODAY            0.00          1.16 2019   0.09  -0.09     0.00
  MONTH TO DATE    0.26                      1.26  -1.00     0.11
  SINCE SEP 1      0.26                      1.26  -1.00     0.11
  SINCE JAN 1     26.82                     23.60   3.22    17.88

DEGREE DAYS
 HEATING
  TODAY            0                         2     -2        0
  MONTH TO DATE    0                        13    -13       34
  SINCE SEP 1      0                        13    -13       34
  SINCE JUL 1      0                        20    -20       42

 COOLING
  TODAY            9                         4      5        8
  MONTH TO DATE  127                        61     66       21
  SINCE SEP 1    127                        61     66       21
  SINCE JAN 1    919                       875     44      945
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED     4.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           3:00 AM
 LOWEST     46           1:00 PM
 AVERAGE    70

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


THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   77        94      2005
 MINIMUM TEMPERATURE (F)   57        42      2014


SUNRISE AND SUNSET
SEPTEMBER 12 2026.....SUNRISE   6:29 AM CDT   SUNSET   7:06 PM CDT
SEPTEMBER 13 2026.....SUNRISE   6:30 AM CDT   SUNSET   7:04 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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