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

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CDUS43 KGRR 100537
CLIGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
1237 AM EST WED JAN 10 2018


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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR JANUARY 9 2018...

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)
 YESTERDAY
  MAXIMUM         37    445 PM  57    1939  31      6       27
  MINIMUM         23    855 AM -14    1977  18      5       14
  AVERAGE         30                        24      6       21

PRECIPITATION (IN)
  YESTERDAY        0.00          0.89 1946   0.07  -0.07     0.13
  MONTH TO DATE    0.32                      0.69  -0.37     0.76
  SINCE DEC 1      2.28                      3.19  -0.91     3.72
  SINCE JAN 1      0.32                      0.69  -0.37     0.76

SNOWFALL (IN)
  YESTERDAY        0.0           8.0  1930   0.7   -0.7      1.7
  MONTH TO DATE    5.5                       6.5   -1.0      6.3
  SINCE DEC 1     38.4                      28.4   10.0     43.3
  SINCE JUL 1     39.0                      35.7    3.3     44.1
  SNOW DEPTH       7

DEGREE DAYS
 HEATING
  YESTERDAY       35                        40     -5       44
  MONTH TO DATE  460                       360    100      397
  SINCE DEC 1   1712                      1471    241     1553
  SINCE JUL 1   2903                      2809     94     2501

 COOLING
  YESTERDAY        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   3   RESULTANT WIND DIRECTION   S (190)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    11   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED     5.4


SKY COVER
  POSSIBLE SUNSHINE  60 PERCENT
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           900 AM
 LOWEST     70           300 PM
 AVERAGE    83

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


THE GRAND RAPIDS MI CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        57      1975
 MINIMUM TEMPERATURE (F)   18       -19      1942


SUNRISE AND SUNSET
JANUARY 10 2018.......SUNRISE   812 AM EST   SUNSET   528 PM EST
JANUARY 11 2018.......SUNRISE   812 AM EST   SUNSET   529 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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