Climatological Report (Daily)
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CDUS43 KGRR 110520
CLIMKG


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
1219 AM EST MON DEC 11 2017


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

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

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)
 YESTERDAY
  MAXIMUM         32   1138 AM  61    1971  36     -4       27
  MINIMUM         26    442 AM   6    1932  27     -1       22
  AVERAGE         29                        32     -3       25

PRECIPITATION (IN)
  YESTERDAY        T             1.82 1971   0.09  -0.09     0.13
  MONTH TO DATE    0.68                      0.94  -0.26     0.67
  SINCE DEC 1      0.68                      0.94  -0.26     0.67
  SINCE JAN 1     34.45                     31.88   2.57    38.00

SNOWFALL (IN)
  YESTERDAY        T             8.0  1977   0.9   -0.9      2.1
  MONTH TO DATE    7.0                       7.8   -0.8      6.8
  SINCE DEC 1      7.0                       7.8   -0.8      6.8
  SINCE JUL 1      7.0                      14.0   -7.0      7.8
  SNOW DEPTH       5

DEGREE DAYS
 HEATING
  YESTERDAY       36                        33      3       40
  MONTH TO DATE  290                       321    -31      307
  SINCE DEC 1    290                       321    -31      307
  SINCE JUL 1   1449                      1688   -239     1212

 COOLING
  YESTERDAY        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   9   RESULTANT WIND DIRECTION   W (280)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED    10.5


SKY COVER
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    75           500 PM
 LOWEST     63           100 AM
 AVERAGE    69

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


THE MUSKEGON MI CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   36        60      1949
 MINIMUM TEMPERATURE (F)   27         2      1958


SUNRISE AND SUNSET
DECEMBER 11 2017......SUNRISE   807 AM EST   SUNSET   510 PM EST
DECEMBER 12 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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