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

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CDUS43 KDTX 172134
CLIDTW


CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
433 PM EST SUN DEC 17 2017


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

...THE DETROIT MI CLIMATE SUMMARY FOR DECEMBER 17 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         36    359 PM  56    1984  35      1       28
  MINIMUM         25    124 AM  -7    1989  24      1       20
  AVERAGE         31                        29      2       24

PRECIPITATION (IN)
  TODAY            0.00          0.85 1996   0.08  -0.08     0.13
                                      1928
  MONTH TO DATE    0.90                      1.38  -0.48     1.33
  SINCE DEC 1      0.90                      1.38  -0.48     1.33
  SINCE JAN 1     34.88                     32.39   2.49    33.91

SNOWFALL (IN)
  TODAY            0.0           2.4  2000   0.3   -0.3      1.4
  MONTH TO DATE   13.6                       4.5    9.1     16.5
  SINCE DEC 1     13.6                       4.5    9.1     16.5
  SINCE JUL 1     13.6                       6.1    7.5     16.6
  SNOW DEPTH       6

DEGREE DAYS
 HEATING
  TODAY           34                        36     -2       41
  MONTH TO DATE  568                       560      8      628
  SINCE DEC 1    568                       560      8      628
  SINCE JUL 1   1631                      1775   -144     1496

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    918                       803    115     1177
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     E (70)
  AVERAGE WIND SPEED     6.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85           900 AM
 LOWEST     68           200 AM
 AVERAGE    77

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


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


SUNRISE AND SUNSET
DECEMBER 17 2017......SUNRISE   757 AM EST   SUNSET   503 PM EST
DECEMBER 18 2017......SUNRISE   757 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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