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

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CDUS43 KDTX 110537
CLIDTW


CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1237 AM EST MON DEC 11 2017


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

...THE DETROIT MI CLIMATE SUMMARY FOR DECEMBER 10 2017...

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)
 YESTERDAY
  MAXIMUM         30    933 PM  64    1971  38     -8       30
  MINIMUM         24    333 AM  -9    1876  26     -2       23
  AVERAGE         27                        32     -5       27

PRECIPITATION (IN)
  YESTERDAY        T             0.84 2003   0.08  -0.08      T
  MONTH TO DATE    0.16                      0.83  -0.67     0.37
  SINCE DEC 1      0.16                      0.83  -0.67     0.37
  SINCE JAN 1     34.14                     31.84   2.30    32.95

SNOWFALL (IN)
  YESTERDAY        T             5.2  1966   0.2   -0.2      0.1
  MONTH TO DATE    2.1                       2.3   -0.2      1.0
  SINCE DEC 1      2.1                       2.3   -0.2      1.0
  SINCE JUL 1      2.1                       3.9   -1.8      1.1
  SNOW DEPTH       1

DEGREE DAYS
 HEATING
  YESTERDAY       38                        33      5       38
  MONTH TO DATE  293                       317    -24      312
  SINCE DEC 1    293                       317    -24      312
  SINCE JUL 1   1356                      1532   -176     1180

 COOLING
  YESTERDAY        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    23   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED    12.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81           400 AM
 LOWEST     68          1100 AM
 AVERAGE    75

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


THE DETROIT MI CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   37        62      1931
 MINIMUM TEMPERATURE (F)   25        -9      1977


SUNRISE AND SUNSET
DECEMBER 11 2017......SUNRISE   752 AM EST   SUNSET   501 PM EST
DECEMBER 12 2017......SUNRISE   753 AM EST   SUNSET   501 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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