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

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CDUS43 KGRR 100524
CLIGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
1223 AM EST SUN DEC 10 2017


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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR DECEMBER 9 2017...

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)
 YESTERDAY
  MAXIMUM         30    222 PM  59    1946  37     -7       29
  MINIMUM         24    849 PM  -1    1964  25     -1       22
  AVERAGE         27                        31     -4       26

PRECIPITATION (IN)
  YESTERDAY        0.17          0.81 1907   0.09   0.08     0.10
  MONTH TO DATE    0.34                      0.81  -0.47     0.71
  SINCE DEC 1      0.34                      0.81  -0.47     0.71
  SINCE JAN 1     37.81                     36.58   1.23    44.04

SNOWFALL (IN)
  YESTERDAY        2.8           4.6  1995   0.6    2.2      3.5
  MONTH TO DATE    4.7                       5.1   -0.4     10.2
  SINCE DEC 1      4.7                       5.1   -0.4     10.2
  SINCE JUL 1      5.3                      12.4   -7.1     11.0
  SNOW DEPTH       2

DEGREE DAYS
 HEATING
  YESTERDAY       38                        34      4       39
  MONTH TO DATE  264                       293    -29      290
  SINCE DEC 1    264                       293    -29      290
  SINCE JUL 1   1455                      1631   -176     1238

 COOLING
  YESTERDAY        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   S (160)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     9.0


SKY COVER
  POSSIBLE SUNSHINE   0 PERCENT
  AVERAGE SKY COVER 0.9


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


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

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


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


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.




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