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

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990
CDUS43 KGRR 120520
CLIGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
1219 AM EST THU DEC 12 2019


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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR DECEMBER 11 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1892 TO 2019


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         22    121 AM  63    1949  36    -14       34
  MINIMUM         10   1108 PM  -3    1962  25    -15       30
  AVERAGE         16                        30    -14       32

PRECIPITATION (IN)
  YESTERDAY        T             1.12 1899   0.09  -0.09     0.00
  MONTH TO DATE    1.46                      0.98   0.48     0.64
  SINCE DEC 1      1.46                      0.98   0.48     0.64
  SINCE JAN 1     48.79                     36.75  12.04    43.10

SNOWFALL (IN)
  YESTERDAY        T            14.2  2000   0.7   -0.7      0.0
  MONTH TO DATE    5.6                       6.4   -0.8      1.9
  SINCE DEC 1      5.6                       6.4   -0.8      1.9
  SINCE JUL 1     12.4                      13.7   -1.3     16.3
  SNOW DEPTH       1

DEGREE DAYS
 HEATING
  YESTERDAY       49                        35     14       33
  MONTH TO DATE  365                       362      3      390
  SINCE DEC 1    365                       362      3      390
  SINCE JUL 1   1787                      1700     87     1862

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    742                       699     43     1003
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  13   RESULTANT WIND DIRECTION   W (260)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED    14.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83           900 PM
 LOWEST     56          1200 PM
 AVERAGE    70

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


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


SUNRISE AND SUNSET
DECEMBER 12 2019......SUNRISE   803 AM EST   SUNSET   508 PM EST
DECEMBER 13 2019......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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