Climatological Report (Daily)
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CDUS43 KGRR 170522
CLIMKG


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
1222 AM EST SUN DEC 17 2017


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

...THE MUSKEGON MI CLIMATE SUMMARY FOR DECEMBER 16 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    111 AM  58    1984  35     -3       22
  MINIMUM         23   1106 PM   2    1943  25     -2       15
  AVERAGE         28                        30     -2       19

PRECIPITATION (IN)
  YESTERDAY        0.23          0.60 1911   0.08   0.15     0.20
  MONTH TO DATE    1.40                      1.45  -0.05     1.47
  SINCE DEC 1      1.40                      1.45  -0.05     1.47
  SINCE JAN 1     35.17                     32.39   2.78    38.80

SNOWFALL (IN)
  YESTERDAY        3.5          11.7  1963   1.1    2.4      3.5
  MONTH TO DATE   19.6                      13.9    5.7     18.9
  SINCE DEC 1     19.6                      13.9    5.7     18.9
  SINCE JUL 1     19.6                      20.1   -0.5     19.9
  SNOW DEPTH      10

DEGREE DAYS
 HEATING
  YESTERDAY       37                        35      2       46
  MONTH TO DATE  538                       528     10      561
  SINCE DEC 1    538                       528     10      561
  SINCE JUL 1   1697                      1895   -198     1466

 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   8   RESULTANT WIND DIRECTION   E (80)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     E (70)
  AVERAGE WIND SPEED     9.6


SKY COVER
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85           100 AM
 LOWEST     68           900 PM
 AVERAGE    77

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


THE MUSKEGON MI CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   35        50      1939
 MINIMUM TEMPERATURE (F)   25         0      1973


SUNRISE AND SUNSET
DECEMBER 17 2017......SUNRISE   811 AM EST   SUNSET   511 PM EST
DECEMBER 18 2017......SUNRISE   812 AM EST   SUNSET   511 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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