Climatological Report (Daily)
Issued by NWS Grand Rapids, MI

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CDUS43 KGRR 131424
CLIGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
924 AM EST WED DEC 13 2017


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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR DECEMBER 13 2017...
VALID AS OF 0900 AM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1892 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         19    839 AM  61    2015  35    -16       26
  MINIMUM         17    542 AM  -6    1958  24     -7       16
  AVERAGE         18                        30    -12       21

PRECIPITATION (IN)
  TODAY            0.03          0.81 1975   0.08  -0.05     0.05
  MONTH TO DATE    0.47                      1.14  -0.67     1.69
  SINCE DEC 1      0.47                      1.14  -0.67     1.69
  SINCE JAN 1     37.94                     36.91   1.03    45.02

SNOWFALL (IN)
  TODAY            T             6.8  1973   0.7   -0.7      0.7
  MONTH TO DATE    6.0                       7.9   -1.9     24.5
  SINCE DEC 1      6.0                       7.9   -1.9     24.5
  SINCE JUL 1      6.6                      15.2   -8.6     25.3
  SNOW DEPTH       2

DEGREE DAYS
 HEATING
  TODAY           47                        35     12       44
  MONTH TO DATE  429                       432     -3      453
  SINCE DEC 1    429                       432     -3      453
  SINCE JUL 1   1620                      1770   -150     1401

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    719                       699     20      936
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   S (190)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    SE (150)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED     7.3


SKY COVER
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           300 AM
 LOWEST     74          1200 AM
 AVERAGE    83

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


THE GRAND RAPIDS MI CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   35        59      2015
                                             1975
 MINIMUM TEMPERATURE (F)   24        -1      1943


SUNRISE AND SUNSET
DECEMBER 13 2017......SUNRISE   805 AM EST   SUNSET   508 PM EST
DECEMBER 14 2017......SUNRISE   805 AM EST   SUNSET   508 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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