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

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CDUS43 KGRR 211424
CLIGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
923 AM EST SUN JAN 21 2018


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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR JANUARY 21 2018...
VALID AS OF 0900 AM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1892 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         36    859 AM  61    2017  30      6       61
                                      1906
  MINIMUM         33    146 AM -15    1984  18     15       36
  AVERAGE         35                        24     11       49

PRECIPITATION (IN)
  TODAY            0.00          0.99 1916   0.07  -0.07      T
  MONTH TO DATE    1.11                      1.51  -0.40     2.71
  SINCE DEC 1      3.07                      4.01  -0.94     5.67
  SINCE JAN 1      1.11                      1.51  -0.40     2.71

SNOWFALL (IN)
  TODAY            0.0           6.1  1958   0.6   -0.6      0.0
  MONTH TO DATE   10.7                      14.5   -3.8      7.8
  SINCE DEC 1     43.6                      36.4    7.2     44.8
  SINCE JUL 1     44.2                      43.7    0.5     45.6
  SNOW DEPTH       T

DEGREE DAYS
 HEATING
  TODAY           30                        41    -11       16
  MONTH TO DATE  920                       852     68      782
  SINCE DEC 1   2172                      1963    209     1938
  SINCE JUL 1   3363                      3301     62     2886

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   S (170)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     5.6


SKY COVER
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           300 AM
 LOWEST     82           100 AM
 AVERAGE    87

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


THE GRAND RAPIDS MI CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   30        68      1894
 MINIMUM TEMPERATURE (F)   18        -6      1970


SUNRISE AND SUNSET
JANUARY 21 2018.......SUNRISE   807 AM EST   SUNSET   541 PM EST
JANUARY 22 2018.......SUNRISE   806 AM EST   SUNSET   542 PM EST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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