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

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CDUS43 KGRR 112239
CLIGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
538 PM EST MON DEC 11 2017


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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR DECEMBER 11 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         45    853 AM  63    1949  36      9       30
  MINIMUM         23    824 AM  -3    1962  25     -2       22
  AVERAGE         34                        30      4       26

PRECIPITATION (IN)
  TODAY            0.09          1.12 1899   0.09   0.00     0.76
  MONTH TO DATE    0.43                      0.98  -0.55     1.61
  SINCE DEC 1      0.43                      0.98  -0.55     1.61
  SINCE JAN 1     37.90                     36.75   1.15    44.94

SNOWFALL (IN)
  TODAY            1.3          14.2  2000   0.7    0.6      8.9
  MONTH TO DATE    6.0                       6.4   -0.4     23.6
  SINCE DEC 1      6.0                       6.4   -0.4     23.6
  SINCE JUL 1      6.6                      13.7   -7.1     24.4
  SNOW DEPTH       2

DEGREE DAYS
 HEATING
  TODAY           31                        35     -4       39
  MONTH TO DATE  334                       362    -28      372
  SINCE DEC 1    334                       362    -28      372
  SINCE JUL 1   1525                      1700   -175     1320

 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 (140)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     6.9


SKY COVER
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1000 AM
 LOWEST     78           300 PM
 AVERAGE    89

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


THE GRAND RAPIDS MI CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   36        60      1991
                                             1949
                                             1899
 MINIMUM TEMPERATURE (F)   25        -5      1958


SUNRISE AND SUNSET
DECEMBER 11 2017......SUNRISE   803 AM EST   SUNSET   508 PM EST
DECEMBER 12 2017......SUNRISE   804 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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