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

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CDUS43 KGRR 201426
CLIGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
926 AM EST SAT JAN 20 2018


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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR JANUARY 20 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         40    130 AM  64    1906  30     10       37
  MINIMUM         35    859 AM -15    1984  18     17       34
  AVERAGE         38                        24     14       36

PRECIPITATION (IN)
  TODAY            0.00          1.36 1894   0.06  -0.06     0.20
  MONTH TO DATE    1.11                      1.44  -0.33     2.71
  SINCE DEC 1      3.07                      3.94  -0.87     5.67
  SINCE JAN 1      1.11                      1.44  -0.33     2.71

SNOWFALL (IN)
  TODAY            0.0           6.8  1963   0.7   -0.7      0.0
  MONTH TO DATE   10.7                      13.9   -3.2      7.8
  SINCE DEC 1     43.6                      35.8    7.8     44.8
  SINCE JUL 1     44.2                      43.1    1.1     45.6
  SNOW DEPTH       1

DEGREE DAYS
 HEATING
  TODAY           27                        41    -14       29
  MONTH TO DATE  889                       811     78      766
  SINCE DEC 1   2141                      1922    219     1922
  SINCE JUL 1   3332                      3260     72     2870

 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  18   RESULTANT WIND DIRECTION  SW (240)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED    18.3


SKY COVER
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    75           600 AM
 LOWEST     59          1200 AM
 AVERAGE    67

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


THE GRAND RAPIDS MI CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   30        61      2017
                                             1906
 MINIMUM TEMPERATURE (F)   18       -15      1984


SUNRISE AND SUNSET
JANUARY 20 2018.......SUNRISE   807 AM EST   SUNSET   539 PM EST
JANUARY 21 2018.......SUNRISE   807 AM EST   SUNSET   541 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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