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

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000
CDUS43 KGRR 211352
CLIGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
951 AM EDT THU SEP 21 2017


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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR SEPTEMBER 21 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         74    759 AM  92    1908  71      3       79
  MINIMUM         68    549 AM  32    1962  51     17       56
  AVERAGE         71                        61     10       68

PRECIPITATION (IN)
  TODAY            0.00          3.16 1947   0.16  -0.16     0.33
  MONTH TO DATE    0.56                      3.01  -2.45     1.52
  SINCE SEP 1      0.56                      3.01  -2.45     1.52
  SINCE JAN 1     24.88                     27.73  -2.85    33.06

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                         6     -6        0
  MONTH TO DATE   63                        65     -2        6
  SINCE SEP 1     63                        65     -2        6
  SINCE JUL 1     79                        85     -6        6

 COOLING
  TODAY            6                         1      5        3
  MONTH TO DATE   56                        58     -2       87
  SINCE SEP 1     56                        58     -2       87
  SINCE JAN 1    628                       683    -55      918
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   S (160)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION    SE (140)
  AVERAGE WIND SPEED     4.2


SKY COVER
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           300 AM
 LOWEST     87           800 AM
 AVERAGE    92

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


THE GRAND RAPIDS MI CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        90      1920
 MINIMUM TEMPERATURE (F)   50        33      1976


SUNRISE AND SUNSET
SEPTEMBER 21 2017.....SUNRISE   729 AM EDT   SUNSET   741 PM EDT
SEPTEMBER 22 2017.....SUNRISE   730 AM EDT   SUNSET   739 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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