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

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CDUS43 KGRR 102232
CLIGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
531 PM EST SUN DEC 10 2017


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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR DECEMBER 10 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         27    459 PM  62    1971  36     -9       24
  MINIMUM         24   1053 AM   5    1977  25     -1       20
  AVERAGE         26                        31     -5       22

PRECIPITATION (IN)
  TODAY            T             2.13 1971   0.08  -0.08     0.14
  MONTH TO DATE    0.34                      0.89  -0.55     0.85
  SINCE DEC 1      0.34                      0.89  -0.55     0.85
  SINCE JAN 1     37.81                     36.66   1.15    44.18

SNOWFALL (IN)
  TODAY            T             7.2  2009   0.6   -0.6      4.5
  MONTH TO DATE    4.7                       5.7   -1.0     14.7
  SINCE DEC 1      4.7                       5.7   -1.0     14.7
  SINCE JUL 1      5.3                      13.0   -7.7     15.5
  SNOW DEPTH       2

DEGREE DAYS
 HEATING
  TODAY           39                        34      5       43
  MONTH TO DATE  303                       327    -24      333
  SINCE DEC 1    303                       327    -24      333
  SINCE JUL 1   1494                      1665   -171     1281

 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  10   RESULTANT WIND DIRECTION  SW (230)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED    11.4


SKY COVER
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LT FREEZING RAIN
  LIGHT SNOW
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           200 AM
 LOWEST     75           500 AM
 AVERAGE    84

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


THE GRAND RAPIDS MI CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   36        63      1949
 MINIMUM TEMPERATURE (F)   25        -3      1962


SUNRISE AND SUNSET
DECEMBER 10 2017......SUNRISE   802 AM EST   SUNSET   508 PM EST
DECEMBER 11 2017......SUNRISE   803 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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