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

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CDUS43 KGRR 121354
CLIGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
953 AM EDT THU OCT 12 2017


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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR OCTOBER 12 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         52    408 AM  84    1930  62    -10       72
  MINIMUM         49    527 AM  27    1987  43      6       49
                                      1957
  AVERAGE         51                        52     -1       61

PRECIPITATION (IN)
  TODAY            0.00          1.52 1901   0.11  -0.11     0.26
  MONTH TO DATE    2.75                      1.31   1.44     3.35
  SINCE SEP 1      3.41                      5.59  -2.18     5.75
  SINCE JAN 1     27.73                     30.31  -2.58    37.29

SNOWFALL (IN)
  TODAY            0.0           2.0  2006   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.1   -0.1      0.0
  SINCE SEP 1      0.0                       0.1   -0.1      0.0
  SINCE JUL 1      0.0                       0.1   -0.1      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           14                        13      1        4
  MONTH TO DATE   52                       134    -82       70
  SINCE SEP 1    135                       266   -131      114
  SINCE JUL 1    151                       286   -135      114

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE   10                         4      6        4
  SINCE SEP 1    146                        71     75       99
  SINCE JAN 1    718                       696     22      930
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION   E (70)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     E (70)
  AVERAGE WIND SPEED     9.1


SKY COVER
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           600 AM
 LOWEST     83           300 AM
 AVERAGE    88

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


THE GRAND RAPIDS MI CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   61        87      1975
 MINIMUM TEMPERATURE (F)   43        24      1993


SUNRISE AND SUNSET
OCTOBER 12 2017.......SUNRISE   752 AM EDT   SUNSET   704 PM EDT
OCTOBER 13 2017.......SUNRISE   753 AM EDT   SUNSET   702 PM EDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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