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

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807
CDUS43 KGRR 171352
CLIGRR


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


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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR SEPTEMBER 17 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         70    759 AM  92    1906  73     -3       78
  MINIMUM         62    434 AM  37    1959  52     10       64
                                      1902
  AVERAGE         66                        62      4       71

PRECIPITATION (IN)
  TODAY            0.00          2.29 1997   0.15  -0.15     0.31
  MONTH TO DATE    0.56                      2.38  -1.82     1.19
  SINCE SEP 1      0.56                      2.38  -1.82     1.19
  SINCE JAN 1     24.88                     27.10  -2.22    32.73

SNOWFALL (IN)
  TODAY            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
  TODAY            0                         4     -4        0
  MONTH TO DATE   63                        44     19        6
  SINCE SEP 1     63                        44     19        6
  SINCE JUL 1     79                        64     15        6

 COOLING
  TODAY            1                         2     -1        6
  MONTH TO DATE   21                        51    -30       73
  SINCE SEP 1     21                        51    -30       73
  SINCE JAN 1    593                       676    -83      904
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION   S (160)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     S (160)
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED     7.8


SKY COVER
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           100 AM
 LOWEST     84           800 AM
 AVERAGE    89

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


THE GRAND RAPIDS MI CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        94      1906
 MINIMUM TEMPERATURE (F)   52        35      1973


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.




$$

JAM



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