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

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CDUS43 KGRR 211339
CLIGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
939 AM EDT SAT OCT 21 2017


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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR OCTOBER 21 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         59   1254 AM  85    1953  58      1       54
  MINIMUM         52    626 AM  18    1974  40     12       40
  AVERAGE         56                        49      7       47

PRECIPITATION (IN)
  TODAY            0.00          2.13 1933   0.10  -0.10      T
  MONTH TO DATE    5.03                      2.20   2.83     5.15
  SINCE SEP 1      5.69                      6.48  -0.79     7.55
  SINCE JAN 1     30.01                     31.20  -1.19    39.09

SNOWFALL (IN)
  TODAY            0.0           1.1  1976   0.1   -0.1      0.0
  MONTH TO DATE    0.0                       0.2   -0.2      0.0
  SINCE SEP 1      0.0                       0.2   -0.2      0.0
  SINCE JUL 1      0.0                       0.2   -0.2      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            9                        16     -7       18
  MONTH TO DATE  117                       264   -147      150
  SINCE SEP 1    200                       396   -196      194
  SINCE JUL 1    216                       416   -200      194

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE   10                         4      6       10
  SINCE SEP 1    146                        71     75      105
  SINCE JAN 1    718                       696     22      936
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION   S (170)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     S (160)
  HIGHEST GUST SPEED    11   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED     7.7


SKY COVER
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           800 AM
 LOWEST     72          1200 AM
 AVERAGE    83

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


THE GRAND RAPIDS MI CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        82      1979
                                             1953
 MINIMUM TEMPERATURE (F)   40        23      1944


SUNRISE AND SUNSET
OCTOBER 21 2017.......SUNRISE   803 AM EDT   SUNSET   650 PM EDT
OCTOBER 22 2017.......SUNRISE   804 AM EDT   SUNSET   648 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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