Climatological Report (Daily)
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955
CDUS43 KLOT 180640
CLIPWK

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
140 AM CDT TUE AUG 18 2026

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

...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR AUGUST 17 2026...

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)
 YESTERDAY
  MAXIMUM         78   4:02 PM  89    2002  82     -4       82
                                      2015
  MINIMUM         66  11:37 PM  57    2012  65      1       72
                                      2013
  AVERAGE         72                        74     -2       77

PRECIPITATION (IN)
  YESTERDAY        0.00          0.97 2000   0.12  -0.12     0.20
  MONTH TO DATE    3.40                      1.97   1.43     1.61
  SINCE JUN 1     11.83                      9.09   2.74     8.35
  SINCE JAN 1     25.76                     20.61   5.15    16.12

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1     27                        40    -13       21
  SINCE JUL 1      0                         3     -3        0

 COOLING
  YESTERDAY        7                         8     -1       12
  MONTH TO DATE  153                       160     -7      213
  SINCE JUN 1    641                       651    -10      845
  SINCE JAN 1    696                       711    -15      866
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     N (10)
  AVERAGE WIND SPEED     5.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           5:00 AM
 LOWEST     55           6:00 PM
 AVERAGE    74

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


THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        88      2016
                                             2025
 MINIMUM TEMPERATURE (F)   65        53      2012


SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE   6:03 AM CDT   SUNSET   7:48 PM CDT
AUGUST 19 2026........SUNRISE   6:04 AM CDT   SUNSET   7:46 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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