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

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867
CDUS43 KGRR 210516
CLIGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
115 AM EDT SAT OCT 21 2017


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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR OCTOBER 20 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         78    324 PM  83    1953  59     19       57
  MINIMUM         42    419 AM  22    1974  41      1       48
                                      1952
  AVERAGE         60                        50     10       53

PRECIPITATION (IN)
  YESTERDAY        0.00          1.11 1916   0.10  -0.10     0.00
  MONTH TO DATE    5.03                      2.10   2.93     5.15
  SINCE SEP 1      5.69                      6.38  -0.69     7.55
  SINCE JAN 1     30.01                     31.10  -1.09    39.09

SNOWFALL (IN)
  YESTERDAY        0.0           2.2  1992   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.1   -0.1      0.0
  SINCE SEP 1      0.0                       0.1   -0.1      0.0
  SINCE JUL 1      0.0                       0.1   -0.1      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        5                        15    -10       12
  MONTH TO DATE  108                       248   -140      132
  SINCE SEP 1    191                       380   -189      176
  SINCE JUL 1    207                       400   -193      176

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE   10                         4      6       10
  SINCE SEP 1    146                        71     75      105
  SINCE JAN 1    718                       696     22      936
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION   S (190)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     8.7


SKY COVER
  POSSIBLE SUNSHINE  93 PERCENT
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82           100 AM
 LOWEST     37           300 PM
 AVERAGE    60

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


THE GRAND RAPIDS MI CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        85      1953
 MINIMUM TEMPERATURE (F)   40        18      1974


SUNRISE AND SUNSET
OCTOBER 21 2017.......SUNRISE   803 AM EDT   SUNSET   650 PM EDT
OCTOBER 22 2017.......SUNRISE   804 AM EDT   SUNSET   648 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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