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

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CDUS43 KDTX 080541
CLIDTW


CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1240 AM EST FRI DEC 8 2017


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

...THE DETROIT MI CLIMATE SUMMARY FOR DECEMBER 7 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         32   1231 PM  62    1951  39     -7       38
  MINIMUM         25   1158 PM   1    1885  27     -2       30
  AVERAGE         29                        33     -4       34

PRECIPITATION (IN)
  YESTERDAY        0.02          1.47 1950   0.08  -0.06     0.00
  MONTH TO DATE    0.06                      0.58  -0.52     0.37
  SINCE DEC 1      0.06                      0.58  -0.52     0.37
  SINCE JAN 1     34.04                     31.59   2.45    32.95

SNOWFALL (IN)
  YESTERDAY        0.6           6.6  1994   0.2    0.4      0.0
  MONTH TO DATE    0.6                       1.5   -0.9      0.5
  SINCE DEC 1      0.6                       1.5   -0.9      0.5
  SINCE JUL 1      0.6                       3.1   -2.5      0.6
  SNOW DEPTH       T

DEGREE DAYS
 HEATING
  YESTERDAY       36                        32      4       31
  MONTH TO DATE  178                       218    -40      201
  SINCE DEC 1    178                       218    -40      201
  SINCE JUL 1   1241                      1433   -192     1069

 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    21   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED    12.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81          1000 AM
 LOWEST     49          1200 AM
 AVERAGE    65

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


THE DETROIT MI CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   38        66      1966
 MINIMUM TEMPERATURE (F)   26         0      1977


SUNRISE AND SUNSET
DECEMBER  8 2017......SUNRISE   750 AM EST   SUNSET   501 PM EST
DECEMBER  9 2017......SUNRISE   750 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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