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

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670
CDUS43 KGRR 092233
CLIGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
532 PM EST SAT DEC 9 2017


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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR DECEMBER 9 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    222 PM  59    1946  37     -7       29
  MINIMUM         25    947 AM  -1    1964  25      0       22
  AVERAGE         28                        31     -3       26

PRECIPITATION (IN)
  TODAY            0.16          0.81 1907   0.09   0.07     0.10
  MONTH TO DATE    0.33                      0.81  -0.48     0.71
  SINCE DEC 1      0.33                      0.81  -0.48     0.71
  SINCE JAN 1     37.80                     36.58   1.22    44.04

SNOWFALL (IN)
  TODAY            2.5           4.6  1995   0.6    1.9      3.5
  MONTH TO DATE    4.4                       5.1   -0.7     10.2
  SINCE DEC 1      4.4                       5.1   -0.7     10.2
  SINCE JUL 1      5.0                      12.4   -7.4     11.0
  SNOW DEPTH       2

DEGREE DAYS
 HEATING
  TODAY           37                        34      3       39
  MONTH TO DATE  263                       293    -30      290
  SINCE DEC 1    263                       293    -30      290
  SINCE JUL 1   1454                      1631   -177     1238

 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  SE (150)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     9.6


SKY COVER
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           200 AM
 LOWEST     69          1200 AM
 AVERAGE    85

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


THE GRAND RAPIDS MI CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   36        62      1971
 MINIMUM TEMPERATURE (F)   25         5      1977


SUNRISE AND SUNSET
DECEMBER  9 2017......SUNRISE   801 AM EST   SUNSET   508 PM EST
DECEMBER 10 2017......SUNRISE   802 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.




$$

JAM



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