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

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000
CDUS43 KGRR 111428
CLIGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
926 AM EST MON DEC 11 2017


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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR DECEMBER 11 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         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            T             1.12 1899   0.09  -0.09     0.76
  MONTH TO DATE    0.34                      0.98  -0.64     1.61
  SINCE DEC 1      0.34                      0.98  -0.64     1.61
  SINCE JAN 1     37.81                     36.75   1.06    44.94

SNOWFALL (IN)
  TODAY            T            14.2  2000   0.7   -0.7      8.9
  MONTH TO DATE    4.7                       6.4   -1.7     23.6
  SINCE DEC 1      4.7                       6.4   -1.7     23.6
  SINCE JUL 1      5.3                      13.7   -8.4     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   3   RESULTANT WIND DIRECTION   E (90)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    SE (120)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    SE (120)
  AVERAGE WIND SPEED     5.5


SKY COVER
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           900 AM
 LOWEST     81          1200 AM
 AVERAGE    87

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


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.




$$

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