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

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CDUS43 KGRR 120520
CLIGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
119 AM EDT SAT AUG 12 2017


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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR AUGUST 11 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    223 PM  96    1947  81      0       91
  MINIMUM         63   1159 PM  43    1967  62      1       70
  AVERAGE         72                        72      0       81

PRECIPITATION (IN)
  YESTERDAY        0.08          1.31 1941   0.12  -0.04     0.00
  MONTH TO DATE    0.79                      1.27  -0.48     0.00
  SINCE JUN 1      6.79                      8.82  -2.03     6.77
  SINCE JAN 1     23.39                     22.40   0.99    23.57

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 JUN 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                         0      0        0
  MONTH TO DATE    2                         0      2        0
  SINCE JUN 1     24                        51    -27       21
  SINCE JUL 1      2                         6     -4        0

 COOLING
  YESTERDAY        7                         7      0       16
  MONTH TO DATE   53                        77    -24      112
  SINCE JUN 1    455                       461     -6      598
  SINCE JAN 1    485                       508    -23      669
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   W (250)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    10.4


SKY COVER
  POSSIBLE SUNSHINE  48 PERCENT
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           100 AM
 LOWEST     58           300 PM
 AVERAGE    79

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


THE GRAND RAPIDS MI CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   81        95      1988
 MINIMUM TEMPERATURE (F)   62        45      1954


SUNRISE AND SUNSET
AUGUST 12 2017........SUNRISE   645 AM EDT   SUNSET   848 PM EDT
AUGUST 13 2017........SUNRISE   646 AM EDT   SUNSET   847 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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