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

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CDUS43 KGRR 130521
CLIGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
121 AM EDT WED SEP 13 2017


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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR SEPTEMBER 12 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         81    339 PM  95    1952  75      6       77
  MINIMUM         47    704 AM  37    1964  54     -7       53
  AVERAGE         64                        64      0       65

PRECIPITATION (IN)
  YESTERDAY        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)
  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      MM

DEGREE DAYS
 HEATING
  YESTERDAY        1                         3     -2        0
  MONTH TO DATE   63                        25     38        4
  SINCE SEP 1     63                        25     38        4
  SINCE JUL 1     79                        45     34        4

 COOLING
  YESTERDAY        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   3   RESULTANT WIND DIRECTION   E (90)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED     3.5


SKY COVER
  POSSIBLE SUNSHINE  98 PERCENT
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     33           400 PM
 AVERAGE    67

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


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


SUNRISE AND SUNSET
SEPTEMBER 13 2017.....SUNRISE   720 AM EDT   SUNSET   755 PM EDT
SEPTEMBER 14 2017.....SUNRISE   721 AM EDT   SUNSET   753 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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