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

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000
CDUS43 KGRR 201350
CLIGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
950 AM EDT WED SEP 20 2017


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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR SEPTEMBER 20 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         68    759 AM  90    1931  71     -3       82
  MINIMUM         66    257 AM  33    1956  51     15       59
  AVERAGE         67                        61      6       71

PRECIPITATION (IN)
  TODAY            0.00          1.75 1957   0.16  -0.16      T
  MONTH TO DATE    0.56                      2.85  -2.29     1.19
  SINCE SEP 1      0.56                      2.85  -2.29     1.19
  SINCE JAN 1     24.88                     27.57  -2.69    32.73

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                         5     -5        0
  MONTH TO DATE   63                        59      4        6
  SINCE SEP 1     63                        59      4        6
  SINCE JUL 1     79                        79      0        6

 COOLING
  TODAY            2                         2      0        6
  MONTH TO DATE   40                        57    -17       84
  SINCE SEP 1     40                        57    -17       84
  SINCE JAN 1    612                       682    -70      915
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   E (110)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     E (90)
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION     E (90)
  AVERAGE WIND SPEED     4.0


SKY COVER
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           200 AM
 LOWEST     87           700 AM
 AVERAGE    94

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


THE GRAND RAPIDS MI CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   71        92      1908
 MINIMUM TEMPERATURE (F)   51        32      1962


SUNRISE AND SUNSET
SEPTEMBER 20 2017.....SUNRISE   727 AM EDT   SUNSET   742 PM EDT
SEPTEMBER 21 2017.....SUNRISE   729 AM EDT   SUNSET   741 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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