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

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CDUS43 KDTX 140537
CLIDTW


CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1237 AM EST THU DEC 14 2017


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

...THE DETROIT MI CLIMATE SUMMARY FOR DECEMBER 13 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         26   1038 PM  62    2015  37    -11       28
  MINIMUM         14    531 AM   1    1962  25    -11       12
                                      1903
  AVERAGE         20                        31    -11       20

PRECIPITATION (IN)
  YESTERDAY        0.42          1.15 1881   0.08   0.34      T
  MONTH TO DATE    0.86                      1.07  -0.21     1.03
  SINCE DEC 1      0.86                      1.07  -0.21     1.03
  SINCE JAN 1     34.84                     32.08   2.76    33.61

SNOWFALL (IN)
  YESTERDAY        6.3 R         5.8  1921   0.3    6.0       T
  MONTH TO DATE   12.4                       3.2    9.2     11.7
  SINCE DEC 1     12.4                       3.2    9.2     11.7
  SINCE JUL 1     12.4                       4.8    7.6     11.8
  SNOW DEPTH       4

DEGREE DAYS
 HEATING
  YESTERDAY       45                        34     11       45
  MONTH TO DATE  416                       419     -3      430
  SINCE DEC 1    416                       419     -3      430
  SINCE JUL 1   1479                      1634   -155     1298

 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     N (10)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     N (10)
  AVERAGE WIND SPEED     9.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HEAVY SNOW
  SNOW
  LIGHT SNOW
  FOG
  FOG W/VISIBILITY <= 1/4 MILE
  BLOWING SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    88           700 PM
 LOWEST     61           400 AM
 AVERAGE    75

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


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


SUNRISE AND SUNSET
DECEMBER 14 2017......SUNRISE   755 AM EST   SUNSET   502 PM EST
DECEMBER 15 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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