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

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CDUS43 KGRR 161435
CLIGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
934 AM EST SAT DEC 16 2017


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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR DECEMBER 16 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         26    826 AM  61    1984  34     -8       17
  MINIMUM         24   1212 AM  -2    1989  23      1        8
                                      1901
  AVERAGE         25                        29     -4       13

PRECIPITATION (IN)
  TODAY            0.28          0.97 1921   0.08   0.20     0.30
  MONTH TO DATE    1.17                      1.37  -0.20     2.17
  SINCE DEC 1      1.17                      1.37  -0.20     2.17
  SINCE JAN 1     38.64                     37.14   1.50    45.50

SNOWFALL (IN)
  TODAY            3.4           5.7  1911   0.8    2.6      2.9
  MONTH TO DATE   18.1                      10.2    7.9     31.7
  SINCE DEC 1     18.1                      10.2    7.9     31.7
  SINCE JUL 1     18.7                      17.5    1.2     32.5
  SNOW DEPTH      10

DEGREE DAYS
 HEATING
  TODAY           40                        36      4       52
  MONTH TO DATE  564                       540     24      608
  SINCE DEC 1    564                       540     24      608
  SINCE JUL 1   1755                      1878   -123     1556

 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   E (80)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     E (70)
  AVERAGE WIND SPEED     5.8


SKY COVER
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           100 AM
 LOWEST     88          1200 AM
 AVERAGE    90

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


THE GRAND RAPIDS MI CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        54      2006
 MINIMUM TEMPERATURE (F)   23        -5      1973


SUNRISE AND SUNSET
DECEMBER 16 2017......SUNRISE   807 AM EST   SUNSET   509 PM EST
DECEMBER 17 2017......SUNRISE   807 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.




$$

jam


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