Climatological Report (Daily)
Issued by NWS Jacksonville, FL

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CDUS42 KJAX 172232
CLISSI


CLIMATE REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
532 PM EST SUN DEC 17 2017


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

...THE ST SIMONS ISLAND CLIMATE SUMMARY FOR DECEMBER 17 2017...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         65    152 PM  80    1971  62      3       67
  MINIMUM         42    153 AM  28    1968  45     -3       44
  AVERAGE         54                        54      0       56

PRECIPITATION (IN)
  TODAY            0.00          1.35 2005   0.08  -0.08     0.00
  MONTH TO DATE    2.33                      1.39   0.94     2.25
  SINCE DEC 1      2.33                      1.39   0.94     2.25
  SINCE JAN 1     48.55                     43.75   4.80    45.50

SNOWFALL (IN)
  TODAY            0.0           0.0    MM                   0.0
  MONTH TO DATE    0.0                                       0.0
  SINCE DEC 1      0.0                                       0.0
  SINCE JUL 1      0.0                                       0.0

DEGREE DAYS
 HEATING
  TODAY           11                        12     -1        9
  MONTH TO DATE  174                       170      4      102
  SINCE DEC 1    174                       170      4      102
  SINCE JUL 1    304                       350    -46      207

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    4                         9     -5       17
  SINCE DEC 1      4                         9     -5       17
  SINCE JAN 1   3124                      2624    500     3018
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     E (90)
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED     3.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           800 AM
 LOWEST     52           200 PM
 AVERAGE    76

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


THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   62        78      2016
                                             2008
 MINIMUM TEMPERATURE (F)   45        25      1953


SUNRISE AND SUNSET
DECEMBER 17 2017......SUNRISE   718 AM EST   SUNSET   526 PM EST
DECEMBER 18 2017......SUNRISE   718 AM EST   SUNSET   526 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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