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

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CDUS43 KGRR 160521
CLIGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
120 AM EDT MON OCT 16 2017


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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR OCTOBER 15 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         67    802 AM  85    1947  61      6       71
                                      1899
                                      1897
  MINIMUM         47   1000 PM  23    1944  42      5       43
  AVERAGE         57                        51      6       57

PRECIPITATION (IN)
  YESTERDAY        0.45          0.90 1942   0.09   0.36      T
  MONTH TO DATE    5.02                      1.60   3.42     3.35
  SINCE SEP 1      5.68                      5.88  -0.20     5.75
  SINCE JAN 1     30.00                     30.60  -0.60    37.29

SNOWFALL (IN)
  YESTERDAY       MM             0.0  2002   0.0   MM        0.0
                                      2001
  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
  YESTERDAY        8                        14     -6        8
  MONTH TO DATE   64                       175   -111      112
  SINCE SEP 1    147                       307   -160      156
  SINCE JUL 1    163                       327   -164      156

 COOLING
  YESTERDAY        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  11   RESULTANT WIND DIRECTION  NW (300)
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    42   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED    14.8


SKY COVER
  POSSIBLE SUNSHINE  11 PERCENT
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1000 AM
 LOWEST     66           400 PM
 AVERAGE    83

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


THE GRAND RAPIDS MI CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   60        83      1938
 MINIMUM TEMPERATURE (F)   42        25      1977
                                             1944


SUNRISE AND SUNSET
OCTOBER 16 2017.......SUNRISE   757 AM EDT   SUNSET   657 PM EDT
OCTOBER 17 2017.......SUNRISE   758 AM EDT   SUNSET   656 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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