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

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CDUS43 KGRR 080526
CLIGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
1225 AM EST FRI DEC 8 2017


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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR DECEMBER 7 2017...

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)
 YESTERDAY
  MAXIMUM         27   1149 AM  62    1946  37    -10       35
  MINIMUM         23    904 AM  -4    1972  26     -3       28
  AVERAGE         25                        32     -7       32

PRECIPITATION (IN)
  YESTERDAY        0.05          1.12 1927   0.08  -0.03      T
  MONTH TO DATE    0.17                      0.63  -0.46     0.58
  SINCE DEC 1      0.17                      0.63  -0.46     0.58
  SINCE JAN 1     37.64                     36.40   1.24    43.91

SNOWFALL (IN)
  YESTERDAY        1.8           7.7  1909   0.6    1.2       T
  MONTH TO DATE    1.8                       3.9   -2.1      5.6
  SINCE DEC 1      1.8                       3.9   -2.1      5.6
  SINCE JUL 1      2.4                      11.2   -8.8      6.4
  SNOW DEPTH       1

DEGREE DAYS
 HEATING
  YESTERDAY       40                        33      7       33
  MONTH TO DATE  186                       225    -39      213
  SINCE DEC 1    186                       225    -39      213
  SINCE JUL 1   1377                      1563   -186     1161

 COOLING
  YESTERDAY        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  10   RESULTANT WIND DIRECTION   W (280)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED    11.1


SKY COVER
  POSSIBLE SUNSHINE   9 PERCENT
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  SNOW
  LIGHT SNOW
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           600 AM
 LOWEST     68          1100 PM
 AVERAGE    82

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


THE GRAND RAPIDS MI CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   37        64      1966
 MINIMUM TEMPERATURE (F)   26         2      2005


SUNRISE AND SUNSET
DECEMBER  8 2017......SUNRISE   800 AM EST   SUNSET   508 PM EST
DECEMBER  9 2017......SUNRISE   801 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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