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

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CDUS43 KGRR 082225
CLIGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
525 PM EST FRI DEC 8 2017


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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR DECEMBER 8 2017...
VALID TODAY AS OF 0500 PM 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         30    459 PM  64    1966  37     -7       29
  MINIMUM         19    829 AM   2    2005  26     -7       24
  AVERAGE         25                        31     -6       27

PRECIPITATION (IN)
  TODAY            T             0.78 1980   0.09  -0.09     0.03
                                      1966
  MONTH TO DATE    0.17                      0.72  -0.55     0.61
  SINCE DEC 1      0.17                      0.72  -0.55     0.61
  SINCE JAN 1     37.64                     36.49   1.15    43.94

SNOWFALL (IN)
  TODAY            T             4.5  1937   0.6   -0.6      1.1
  MONTH TO DATE    1.8                       4.5   -2.7      6.7
  SINCE DEC 1      1.8                       4.5   -2.7      6.7
  SINCE JUL 1      2.4                      11.8   -9.4      7.5
  SNOW DEPTH       1

DEGREE DAYS
 HEATING
  TODAY           40                        34      6       38
  MONTH TO DATE  226                       259    -33      251
  SINCE DEC 1    226                       259    -33      251
  SINCE JUL 1   1417                      1597   -180     1199

 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  13   RESULTANT WIND DIRECTION  SW (230)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED    13.9


SKY COVER
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84           700 AM
 LOWEST     68           100 AM
 AVERAGE    76

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


THE GRAND RAPIDS MI CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   37        59      1946
 MINIMUM TEMPERATURE (F)   25        -1      1964


SUNRISE AND SUNSET
DECEMBER  8 2017......SUNRISE   800 AM EST   SUNSET   508 PM EST
DECEMBER  9 2017......SUNRISE   801 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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