Climatological Report (Daily)
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CDUS43 KLOT 110655
CLIMDW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1255 AM CST SUN DEC 11 2016


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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR DECEMBER 10 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1928 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         25   1159 PM  60    2015  37    -12       60
                                      1971
  MINIMUM         20    822 AM  -8    1978  24     -4       43
  AVERAGE         23                        30     -7       52

PRECIPITATION (IN)
  YESTERDAY        0.09          2.18 1971   0.10  -0.01     0.00
  MONTH TO DATE    0.56                      0.95  -0.39     0.28
  SINCE DEC 1      0.56                      0.95  -0.39     0.28
  SINCE JAN 1     31.92                     37.47  -5.55    28.64

DEGREE DAYS
 HEATING
  YESTERDAY       42                        35      7       13
  MONTH TO DATE  343                       329     14      236
  SINCE DEC 1    343                       329     14      236
  SINCE JUL 1   1055                      1464   -409     1046

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1465                      1045    420     1152
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION  SW (240)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED     8.0



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


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


THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   36        61      1949
 MINIMUM TEMPERATURE (F)   24        -5      1972


SUNRISE AND SUNSET
DECEMBER 11 2016......SUNRISE   709 AM CST   SUNSET   420 PM CST
DECEMBER 12 2016......SUNRISE   709 AM CST   SUNSET   420 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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