Climatological Report (Daily)
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639
CDUS43 KGRR 150536
CLIMKG


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
1235 AM EST FRI DEC 15 2017


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

...THE MUSKEGON MI CLIMATE SUMMARY FOR DECEMBER 14 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1896 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         25   1103 PM  59    2015  35    -10       23
  MINIMUM          1R   516 AM   1    1917  26    -25       12
  AVERAGE         13                        30    -17       18

PRECIPITATION (IN)
  YESTERDAY        0.05          0.80 1975   0.09  -0.04      T
                                      1907
  MONTH TO DATE    1.09                      1.29  -0.20     1.22
  SINCE DEC 1      1.09                      1.29  -0.20     1.22
  SINCE JAN 1     34.86                     32.23   2.63    38.55

SNOWFALL (IN)
  YESTERDAY        1.6           7.5  1989   1.0    0.6       T
  MONTH TO DATE   14.4                      11.8    2.6     14.4
  SINCE DEC 1     14.4                      11.8    2.6     14.4
  SINCE JUL 1     14.4                      18.0   -3.6     15.4
  SNOW DEPTH      10

DEGREE DAYS
 HEATING
  YESTERDAY       52                        35     17       47
  MONTH TO DATE  463                       458      5      465
  SINCE DEC 1    463                       458      5      465
  SINCE JUL 1   1622                      1825   -203     1370

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    615                       566     49      774
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION   N (20)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     N (10)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     N (360)
  AVERAGE WIND SPEED     4.4


SKY COVER
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           700 AM
 LOWEST     60           800 PM
 AVERAGE    74

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


THE MUSKEGON MI CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   35        58      1971
 MINIMUM TEMPERATURE (F)   25        -2      1943


SUNRISE AND SUNSET
DECEMBER 15 2017......SUNRISE   810 AM EST   SUNSET   510 PM EST
DECEMBER 16 2017......SUNRISE   811 AM EST   SUNSET   511 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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