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

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CDUS43 KDTX 152137
CLIDTW


CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
436 PM EST FRI DEC 15 2017


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

...THE DETROIT MI CLIMATE SUMMARY FOR DECEMBER 15 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         29    343 PM  61    1933  36     -7       17
  MINIMUM         18    402 AM  -1    1916  24     -6        5
                                      1914
  AVERAGE         24                        30     -6       11

PRECIPITATION (IN)
  TODAY            0.01          1.45 1987   0.08  -0.07      T
  MONTH TO DATE    0.88                      1.23  -0.35     1.08
  SINCE DEC 1      0.88                      1.23  -0.35     1.08
  SINCE JAN 1     34.86                     32.24   2.62    33.66

SNOWFALL (IN)
  TODAY            0.2           5.7  2005   0.4   -0.2       T
  MONTH TO DATE   12.8                       3.9    8.9     13.2
  SINCE DEC 1     12.8                       3.9    8.9     13.2
  SINCE JUL 1     12.8                       5.5    7.3     13.3
  SNOW DEPTH       7

DEGREE DAYS
 HEATING
  TODAY           41                        35      6       54
  MONTH TO DATE  501                       489     12      536
  SINCE DEC 1    501                       489     12      536
  SINCE JUL 1   1564                      1704   -140     1404

 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    24   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED    11.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    75           400 PM
 LOWEST     56          1200 AM
 AVERAGE    66

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


THE DETROIT MI CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   36        65      1984
 MINIMUM TEMPERATURE (F)   24        -3      1951
                                             1876


SUNRISE AND SUNSET
DECEMBER 15 2017......SUNRISE   755 AM EST   SUNSET   502 PM EST
DECEMBER 16 2017......SUNRISE   756 AM EST   SUNSET   502 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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