Climatological Report (Daily)
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CDUS43 KLOT 170650
CLIPWK

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
150 AM CDT MON AUG 17 2026

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

...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR AUGUST 16 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         87   2:59 PM  94    2025  82      5       94
  MINIMUM         70  11:59 PM  52    2004  65      5       73
  AVERAGE         79                        74      5       84

PRECIPITATION (IN)
  YESTERDAY        0.01          0.61 2009   0.13  -0.12     0.48
  MONTH TO DATE    3.40                      1.85   1.55     1.41
  SINCE JUN 1     11.83                      8.97   2.86     8.15
  SINCE JAN 1     25.76                     20.49   5.27    15.92

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       14                         9      5       19
  MONTH TO DATE  146                       152     -6      201
  SINCE JUN 1    634                       643     -9      833
  SINCE JAN 1    689                       703    -14      854
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED     8.1


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           5:00 AM
 LOWEST     63           4:00 PM
 AVERAGE    82

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


THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        89      2002
                                             2015
 MINIMUM TEMPERATURE (F)   65        57      2012
                                             2013


SUNRISE AND SUNSET
AUGUST 17 2026........SUNRISE   6:01 AM CDT   SUNSET   7:49 PM CDT
AUGUST 18 2026........SUNRISE   6:03 AM CDT   SUNSET   7:48 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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