Climatological Report (Daily)
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CDUS43 KLOT 162239
CLIPWK


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
437 PM CST SAT DEC 16 2017


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

...THE CHICAGO EXECUTIVE CLIMATE SUMMARY FOR DECEMBER 16 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         46    346 PM  55    2006  35     11
  MINIMUM         35    757 AM   4    2013  21     14
  AVERAGE         41                        28     13       14

PRECIPITATION (IN)
  TODAY            0.00          0.48 2000   0.05  -0.05
  MONTH TO DATE    0.27                      1.03  -0.76
  SINCE DEC 1      0.27                      1.03  -0.76
  SINCE JAN 1     42.26                     32.55   9.71

DEGREE DAYS
 HEATING
  TODAY           24                        37    -13
  MONTH TO DATE  507                       560    -53
  SINCE DEC 1    507                       560    -53
  SINCE JUL 1   1583                      1830   -247

 COOLING
  TODAY            0                         0      0
  MONTH TO DATE    0                         0      0
  SINCE DEC 1      0                         0      0
  SINCE JAN 1    829                       789     40
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED     7.3



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


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


THE CHICAGO EXECUTIVE CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        53      2006
 MINIMUM TEMPERATURE (F)   20         0      2000


SUNRISE AND SUNSET
DECEMBER 16 2017......SUNRISE   714 AM CST   SUNSET   421 PM CST
DECEMBER 17 2017......SUNRISE   714 AM CST   SUNSET   421 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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