Climatological Report (Daily)
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CDUS43 KLOT 180633
CLIPWK


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT WED OCT 18 2017


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

...THE CHICAGO EXECUTIVE CLIMATE SUMMARY FOR OCTOBER 17 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         71    320 PM  82    2016  61     10       82
  MINIMUM         48    126 AM  30    2015  42      6       67
  AVERAGE         60                        52      8       75

PRECIPITATION (IN)
  YESTERDAY        0.00          3.00 1998   0.09  -0.09     0.00
  MONTH TO DATE    6.46                      1.67   4.79     1.88
  SINCE SEP 1      6.99                      4.88   2.11     3.24
  SINCE JAN 1     38.61                     27.36  11.25    28.61

DEGREE DAYS
 HEATING
  YESTERDAY        5                        13     -8        0
  MONTH TO DATE   51                       186   -135       93
  SINCE SEP 1    109                       288   -179      114
  SINCE JUL 1    115                       298   -183      116

 COOLING
  YESTERDAY        0                         0      0       10
  MONTH TO DATE   27                        11     16       18
  SINCE SEP 1    189                        92     97      155
  SINCE JAN 1    824                       789     35     1068
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  SW (220)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     9.6



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


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


THE CHICAGO EXECUTIVE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   61        78      2007
 MINIMUM TEMPERATURE (F)   42        30      2015
                                             2009


SUNRISE AND SUNSET
OCTOBER 18 2017.......SUNRISE   708 AM CDT   SUNSET   605 PM CDT
OCTOBER 19 2017.......SUNRISE   709 AM CDT   SUNSET   603 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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