Climatological Report (Daily)
Issued by NWS Detroit/Pontiac, MI

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CDUS43 KDTX 180538
CLIDTW


CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1238 AM EST THU DEC 18 2014


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

...THE DETROIT MI CLIMATE SUMMARY FOR DECEMBER 17 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         39   1229 AM  56    1984  35      4       27
  MINIMUM         27   1056 PM  -7    1989  24      3       14
  AVERAGE         33                        29      4       21

PRECIPITATION (IN)
  YESTERDAY        T             0.85 1996   0.08  -0.08     0.03
                                      1928
  MONTH TO DATE    0.57                      1.38  -0.81     0.79
  SINCE DEC 1      0.57                      1.38  -0.81     0.79
  SINCE JAN 1     36.73                     32.39   4.34    38.27

SNOWFALL (IN)
  YESTERDAY        T             2.4  2000   0.3   -0.3      0.6
  MONTH TO DATE    T                         4.5   -4.5     11.6
  SINCE DEC 1      T                         4.5   -4.5     11.6
  SINCE JUL 1      4.0                       6.1   -2.1     12.8
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       32                        36     -4       44
  MONTH TO DATE  511                       560    -49      670
  SINCE DEC 1    511                       560    -49      670
  SINCE JUL 1   1888                      1775    113     1972

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    704                       803    -99      891
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED    15.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    79          1200 AM
 LOWEST     63          1200 PM
 AVERAGE    71

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


THE DETROIT MI CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   35        54      1939
 MINIMUM TEMPERATURE (F)   23        -3      1989


SUNRISE AND SUNSET
DECEMBER 18 2014......SUNRISE   757 AM EST   SUNSET   503 PM EST
DECEMBER 19 2014......SUNRISE   758 AM EST   SUNSET   503 PM EST


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




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