Climatological Report (Daily)
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239
CDUS43 KGRR 130137
CLIMKG


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
837 PM EST TUE DEC 12 2017


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

...THE MUSKEGON MI CLIMATE SUMMARY FOR DECEMBER 12 2017...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1896 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         31   1205 AM  57    1899  36     -5       36
  MINIMUM         18    210 PM  -5    1958  26     -8       28
  AVERAGE         25                        31     -6       32

PRECIPITATION (IN)
  TODAY            0.01          1.16 1984   0.09  -0.08      T
  MONTH TO DATE    0.80                      1.12  -0.32     1.22
  SINCE DEC 1      0.80                      1.12  -0.32     1.22
  SINCE JAN 1     34.57                     32.06   2.51    38.55

SNOWFALL (IN)
  TODAY           MM             7.4  1956   1.0   MM         T
  MONTH TO DATE    7.4                       9.7   -2.3     14.4
  SINCE DEC 1      7.4                       9.7   -2.3     14.4
  SINCE JUL 1      7.4                      15.9   -8.5     15.4
  SNOW DEPTH       5

DEGREE DAYS
 HEATING
  TODAY           40                        34      6       33
  MONTH TO DATE  366                       389    -23      376
  SINCE DEC 1    366                       389    -23      376
  SINCE JUL 1   1525                      1756   -231     1281

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    615                       566     49      774
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  18   RESULTANT WIND DIRECTION   N (340)
  HIGHEST WIND SPEED    31   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    39   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED    17.8


SKY COVER
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  HEAVY SNOW
  LIGHT SNOW
  HAZE
  BLOWING SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84           600 AM
 LOWEST     57           200 AM
 AVERAGE    71

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


THE MUSKEGON MI CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   36        63      2015
 MINIMUM TEMPERATURE (F)   26         1      1958
                                             1956


SUNRISE AND SUNSET
DECEMBER 12 2017......SUNRISE   808 AM EST   SUNSET   510 PM EST
DECEMBER 13 2017......SUNRISE   808 AM EST   SUNSET   510 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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