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

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CDUS43 KDTX 132139
CLIDTW


CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
437 PM EST WED DEC 13 2017


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

...THE DETROIT MI CLIMATE SUMMARY FOR DECEMBER 13 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         24    359 PM  62    2015  37    -13       28
  MINIMUM         14    531 AM   1    1962  25    -11       12
                                      1903
  AVERAGE         19                        31    -12       20

PRECIPITATION (IN)
  TODAY            0.09          1.15 1881   0.08   0.01      T
  MONTH TO DATE    0.53                      1.07  -0.54     1.03
  SINCE DEC 1      0.53                      1.07  -0.54     1.03
  SINCE JAN 1     34.51                     32.08   2.43    33.61

SNOWFALL (IN)
  TODAY            1.0           5.8  1921   0.3    0.7       T
  MONTH TO DATE    7.1                       3.2    3.9     11.7
  SINCE DEC 1      7.1                       3.2    3.9     11.7
  SINCE JUL 1      7.1                       4.8    2.3     11.8
  SNOW DEPTH       4

DEGREE DAYS
 HEATING
  TODAY           46                        34     12       45
  MONTH TO DATE  417                       419     -2      430
  SINCE DEC 1    417                       419     -2      430
  SINCE JUL 1   1480                      1634   -154     1298

 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    16   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    SE (140)
  AVERAGE WIND SPEED     8.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84          1100 AM
 LOWEST     61           400 AM
 AVERAGE    73

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


THE DETROIT MI CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   36        65      1975
 MINIMUM TEMPERATURE (F)   24        -1      1914


SUNRISE AND SUNSET
DECEMBER 13 2017......SUNRISE   754 AM EST   SUNSET   502 PM EST
DECEMBER 14 2017......SUNRISE   755 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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