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

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411
CDUS43 KGRR 170516
CLIGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
115 AM EDT SUN SEP 17 2017


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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR SEPTEMBER 16 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         86    333 PM  98    1899  73     13       80
  MINIMUM         57    610 AM  32    1902  53      4       52
  AVERAGE         72                        63      9       66

PRECIPITATION (IN)
  YESTERDAY        0.00          2.26 1981   0.15  -0.15      T
  MONTH TO DATE    0.56                      2.23  -1.67     0.88
  SINCE SEP 1      0.56                      2.23  -1.67     0.88
  SINCE JAN 1     24.88                     26.95  -2.07    32.42

SNOWFALL (IN)
  YESTERDAY        0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE SEP 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         4     -4        0
  MONTH TO DATE   63                        40     23        6
  SINCE SEP 1     63                        40     23        6
  SINCE JUL 1     79                        60     19        6

 COOLING
  YESTERDAY        7                         2      5        1
  MONTH TO DATE   20                        49    -29       67
  SINCE SEP 1     20                        49    -29       67
  SINCE JAN 1    592                       674    -82      898
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   S (170)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     6.9


SKY COVER
  POSSIBLE SUNSHINE  93 PERCENT
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           100 AM
 LOWEST     44           400 PM
 AVERAGE    71

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


THE GRAND RAPIDS MI CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        92      1906
 MINIMUM TEMPERATURE (F)   52        37      1959
                                             1902


SUNRISE AND SUNSET
SEPTEMBER 17 2017.....SUNRISE   724 AM EDT   SUNSET   748 PM EDT
SEPTEMBER 18 2017.....SUNRISE   725 AM EDT   SUNSET   746 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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