Climatological Report (Daily)
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CDUS43 KLOT 140633
CLIPWK


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1231 AM CST THU DEC 14 2017


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

...THE CHICAGO EXECUTIVE CLIMATE SUMMARY FOR DECEMBER 13 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         38    154 PM  62    2015  36      2       22
  MINIMUM         22    156 AM  -5    2000  21      1        4
  AVERAGE         30                        28      2       13

PRECIPITATION (IN)
  YESTERDAY        T             0.77 2015   0.06  -0.06     0.00
  MONTH TO DATE    0.27                      0.89  -0.62     0.85
  SINCE DEC 1      0.27                      0.89  -0.62     0.85
  SINCE JAN 1     42.26                     32.41   9.85    33.08

DEGREE DAYS
 HEATING
  YESTERDAY       35                        37     -2       52
  MONTH TO DATE  405                       449    -44      485
  SINCE DEC 1    405                       449    -44      485
  SINCE JUL 1   1481                      1719   -238     1339

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    829                       789     40     1071
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION  SW (220)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED    14.5



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


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


THE CHICAGO EXECUTIVE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   35        61      2015
 MINIMUM TEMPERATURE (F)   21         3      2016


SUNRISE AND SUNSET
DECEMBER 14 2017......SUNRISE   712 AM CST   SUNSET   420 PM CST
DECEMBER 15 2017......SUNRISE   713 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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