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

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CDUS43 KGRR 100531
CLIGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
1231 AM EST TUE JAN 10 2017


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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR JANUARY 9 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   1159 PM  57    1939  31     -4       43
  MINIMUM         14   1236 AM -14    1977  18     -4       34
  AVERAGE         21                        24     -3       39

PRECIPITATION (IN)
  YESTERDAY        0.13          0.89 1946   0.07   0.06     0.43
  MONTH TO DATE    0.76                      0.69   0.07     0.69
  SINCE DEC 1      3.72                      3.19   0.53     4.02
  SINCE JAN 1      0.76                      0.69   0.07     0.69

SNOWFALL (IN)
  YESTERDAY        1.7           8.0  1930   0.7    1.0       T
  MONTH TO DATE    6.3                       6.5   -0.2      1.2
  SINCE DEC 1     43.3                      28.4   14.9      3.7
  SINCE JUL 1     44.1                      35.7    8.4      7.2
  SNOW DEPTH       2

DEGREE DAYS
 HEATING
  YESTERDAY       44                        40      4       26
  MONTH TO DATE  397                       360     37      313
  SINCE DEC 1   1553                      1471     82     1110
  SINCE JUL 1   2501                      2809   -308     2168

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION   S (180)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED    12.8


SKY COVER
  POSSIBLE SUNSHINE   0 PERCENT
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    88          1100 PM
 LOWEST     56           500 AM
 AVERAGE    72

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


THE GRAND RAPIDS MI CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        57      1975
 MINIMUM TEMPERATURE (F)   18       -19      1942


SUNRISE AND SUNSET
JANUARY 10 2017.......SUNRISE   812 AM EST   SUNSET   528 PM EST
JANUARY 11 2017.......SUNRISE   812 AM EST   SUNSET   529 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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