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

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CDUS43 KGRR 311436
CLIGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
936 AM EST SAT DEC 31 2016


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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR DECEMBER 31 2016...
VALID AS OF 0900 AM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1892 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         39    854 AM  60    1965  32      7       32
  MINIMUM         28   1229 AM -14    1976  20      8       28
  AVERAGE         34                        26      8       30

PRECIPITATION (IN)
  TODAY            0.00          0.75 1978   0.08  -0.08      T
  MONTH TO DATE    2.95                      2.50   0.45     3.33
  SINCE DEC 1      2.95                      2.50   0.45     3.33
  SINCE JAN 1     46.28                     38.27   8.01    33.11

SNOWFALL (IN)
  TODAY            0.0           9.7  1957   0.8   -0.8       T
  MONTH TO DATE   37.0                      21.9   15.1      2.5
  SINCE DEC 1     37.0                      21.9   15.1      2.5
  SINCE JUL 1     37.8                      29.2    8.6      6.0
  SNOW DEPTH       T

DEGREE DAYS
 HEATING
  TODAY           31                        39     -8       35
  MONTH TO DATE 1156                      1110     46      797
  SINCE DEC 1   1156                      1111     45      797
  SINCE JUL 1   2104                      2449   -345     1855

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    936                       699    237      642
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  15   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    16.2


SKY COVER
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    69          1200 AM
 LOWEST     52           600 AM
 AVERAGE    61

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


THE GRAND RAPIDS MI CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        66      1895
 MINIMUM TEMPERATURE (F)   20       -15      1968
                                             1964


SUNRISE AND SUNSET
DECEMBER 31 2016......SUNRISE   813 AM EST   SUNSET   518 PM EST
JANUARY  1 2017.......SUNRISE   813 AM EST   SUNSET   519 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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