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

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CDUS43 KGRR 141458
CLIGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
958 AM EST THU DEC 14 2017


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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR DECEMBER 14 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         18   1216 AM  59    2015  35    -17       22
                                      1975
  MINIMUM          0    833 AM  -1    1943  24    -24       11
  AVERAGE          9                        29    -20       17

PRECIPITATION (IN)
  TODAY            T             1.32 1975   0.07  -0.07     0.10
  MONTH TO DATE    0.77                      1.21  -0.44     1.79
  SINCE DEC 1      0.77                      1.21  -0.44     1.79
  SINCE JAN 1     38.24                     36.98   1.26    45.12

SNOWFALL (IN)
  TODAY            T             5.1  1907   0.8   -0.8      2.6
  MONTH TO DATE   10.9                       8.7    2.2     27.1
  SINCE DEC 1     10.9                       8.7    2.2     27.1
  SINCE JUL 1     11.5                      16.0   -4.5     27.9
  SNOW DEPTH       6

DEGREE DAYS
 HEATING
  TODAY           56                        36     20       48
  MONTH TO DATE  484                       468     16      501
  SINCE DEC 1    484                       468     16      501
  SINCE JUL 1   1675                      1806   -131     1449

 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   3   RESULTANT WIND DIRECTION   N (350)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     N (360)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED     5.1


SKY COVER
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    91           700 AM
 LOWEST     73           200 AM
 AVERAGE    82

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


THE GRAND RAPIDS MI CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   35        60      1971
 MINIMUM TEMPERATURE (F)   24        -7      1917


SUNRISE AND SUNSET
DECEMBER 14 2017......SUNRISE   805 AM EST   SUNSET   508 PM EST
DECEMBER 15 2017......SUNRISE   806 AM EST   SUNSET   509 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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