Climatological Report (Daily)
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CDUS43 KLOT 170653
CLIPWK


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
153 AM CDT THU AUG 17 2017


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

...THE CHICAGO EXECUTIVE CLIMATE SUMMARY FOR AUGUST 16 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1996 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         85    100 PM  93    2003  82      3       87
  MINIMUM         62        MM  52    2004  64     -2       72
  AVERAGE         74                        73      1       80

PRECIPITATION (IN)
  YESTERDAY        0.25          0.61 2009   0.13   0.12     0.03
  MONTH TO DATE    1.36                      1.98  -0.62     0.40
  SINCE JUN 1     14.76                      9.31   5.45     9.23
  SINCE JAN 1     31.34                     20.80  10.54    21.59

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    4                         0      4        0
  SINCE JUN 1     18                        56    -38       20
  SINCE JUL 1      4                         4      0        2

 COOLING
  YESTERDAY        9                         8      1       15
  MONTH TO DATE   87                       131    -44      200
  SINCE JUN 1    524                       554    -30      706
  SINCE JAN 1    548                       596    -48      775
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   E (100)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED     4.1



WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


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


THE CHICAGO EXECUTIVE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        89      2015
                                             2002
 MINIMUM TEMPERATURE (F)   63        57      2013
                                             2012


SUNRISE AND SUNSET
AUGUST 17 2017........SUNRISE   602 AM CDT   SUNSET   749 PM CDT
AUGUST 18 2017........SUNRISE   603 AM CDT   SUNSET   747 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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