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

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CDUS43 KGRR 121353
CLIGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
951 AM EDT TUE SEP 12 2017


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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR SEPTEMBER 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         56   1210 AM  95    1952  75    -19       77
  MINIMUM         47    704 AM  37    1964  54     -7       53
  AVERAGE         52                        64    -12       65

PRECIPITATION (IN)
  TODAY            0.00          1.54 1896   0.14  -0.14     0.00
  MONTH TO DATE    0.56                      1.65  -1.09     0.88
  SINCE SEP 1      0.56                      1.65  -1.09     0.88
  SINCE JAN 1     24.88                     26.37  -1.49    32.42

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           13                         3     10        0
  MONTH TO DATE   75                        25     50        4
  SINCE SEP 1     75                        25     50        4
  SINCE JUL 1     91                        45     46        4

 COOLING
  TODAY            0                         3     -3        0
  MONTH TO DATE    6                        41    -35       61
  SINCE SEP 1      6                        41    -35       61
  SINCE JAN 1    578                       666    -88      892
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION   S (160)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     S (160)
  HIGHEST GUST SPEED     9   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED     0.9


SKY COVER
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     93           500 AM
 AVERAGE    97

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


THE GRAND RAPIDS MI CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        95      1952
                                             1939
 MINIMUM TEMPERATURE (F)   54        35      1975


SUNRISE AND SUNSET
SEPTEMBER 12 2017.....SUNRISE   719 AM EDT   SUNSET   757 PM EDT
SEPTEMBER 13 2017.....SUNRISE   720 AM EDT   SUNSET   755 PM EDT


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




$$

63




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