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

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CDUS43 KDTX 120536
CLIDTW


CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1236 AM EST TUE DEC 12 2017


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

...THE DETROIT MI CLIMATE SUMMARY FOR DECEMBER 11 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         31   1159 PM  62    1931  37     -6       31
  MINIMUM         24    430 AM  -9    1977  25     -1       23
  AVERAGE         28                        31     -3       27

PRECIPITATION (IN)
  YESTERDAY        0.27          0.92 1899   0.08   0.19     0.65
  MONTH TO DATE    0.43                      0.91  -0.48     1.02
  SINCE DEC 1      0.43                      0.91  -0.48     1.02
  SINCE JAN 1     34.41                     31.92   2.49    33.60

SNOWFALL (IN)
  YESTERDAY        3.8          10.6  2016   0.3    3.5     10.6
  MONTH TO DATE    5.9                       2.6    3.3     11.6
  SINCE DEC 1      5.9                       2.6    3.3     11.6
  SINCE JUL 1      5.9                       4.2    1.7     11.7
  SNOW DEPTH       4

DEGREE DAYS
 HEATING
  YESTERDAY       37                        34      3       38
  MONTH TO DATE  330                       351    -21      350
  SINCE DEC 1    330                       351    -21      350
  SINCE JUL 1   1393                      1566   -173     1218

 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    14   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED     5.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  SNOW
  LIGHT SNOW
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1000 PM
 LOWEST     68           500 AM
 AVERAGE    84

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


THE DETROIT MI CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   37        63      2015
 MINIMUM TEMPERATURE (F)   25        -2      1988


SUNRISE AND SUNSET
DECEMBER 12 2017......SUNRISE   753 AM EST   SUNSET   501 PM EST
DECEMBER 13 2017......SUNRISE   754 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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