Climatological Report (Daily)
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CDUS43 KLOT 170634
CLIPWK


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT TUE OCT 17 2017


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

...THE CHICAGO EXECUTIVE CLIMATE SUMMARY FOR OCTOBER 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         63    404 PM  79    1998  62      1       72
  MINIMUM         44    344 AM  35    2003  43      1       65
  AVERAGE         54                        52      2       69

PRECIPITATION (IN)
  YESTERDAY        0.00          0.50 2016   0.09  -0.09     0.50
  MONTH TO DATE    6.46                      1.58   4.88     1.88
  SINCE SEP 1      6.99                      4.79   2.20     3.24
  SINCE JAN 1     38.61                     27.27  11.34    28.61

DEGREE DAYS
 HEATING
  YESTERDAY       11                        13     -2        0
  MONTH TO DATE   46                       173   -127       93
  SINCE SEP 1    104                       275   -171      114
  SINCE JUL 1    110                       285   -175      116

 COOLING
  YESTERDAY        0                         0      0        4
  MONTH TO DATE   27                        11     16        8
  SINCE SEP 1    189                        92     97      145
  SINCE JAN 1    824                       789     35     1058
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   W (250)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     4.8



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        82      2016
 MINIMUM TEMPERATURE (F)   42        30      2015


SUNRISE AND SUNSET
OCTOBER 17 2017.......SUNRISE   707 AM CDT   SUNSET   606 PM CDT
OCTOBER 18 2017.......SUNRISE   708 AM CDT   SUNSET   605 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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