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

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581
CDUS43 KGRR 141031 CCA
CLIGRR

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
630 AM EDT THU SEP 14 2017

CORRECTED TO ADD SUNSHINE PERCENT

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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR SEPTEMBER 13 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         79    206 PM  95    1952  74      5       80
                                      1939
  MINIMUM         50    516 AM  35    1975  54     -4       58
  AVERAGE         65                        64      1       69

PRECIPITATION (IN)
  YESTERDAY        0.00          2.46 1962   0.14  -0.14     0.00
  MONTH TO DATE    0.56                      1.79  -1.23     0.88
  SINCE SEP 1      0.56                      1.79  -1.23     0.88
  SINCE JAN 1     24.88                     26.51  -1.63    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                         3     -3        0
  MONTH TO DATE   63                        28     35        4
  SINCE SEP 1     63                        28     35        4
  SINCE JUL 1     79                        48     31        4

 COOLING
  YESTERDAY        0                         2     -2        4
  MONTH TO DATE    6                        43    -37       65
  SINCE SEP 1      6                        43    -37       65
  SINCE JAN 1    578                       668    -90      896
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  SE (130)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     5.7


SKY COVER
  POSSIBLE SUNSHINE  30 PERCENT
  AVERAGE SKY COVER  0.6



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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           400 AM
 LOWEST     50          1200 PM
 AVERAGE    75

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


THE GRAND RAPIDS MI CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        95      1939
 MINIMUM TEMPERATURE (F)   53        31      1899


SUNRISE AND SUNSET
SEPTEMBER 14 2017.....SUNRISE   721 AM EDT   SUNSET   753 PM EDT
SEPTEMBER 15 2017.....SUNRISE   722 AM EDT   SUNSET   751 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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