Climatological Report (Daily)
Issued by NWS Jacksonville, FL

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CDUS42 KJAX 152235
CLISSI


CLIMATE REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
534 PM EST FRI DEC 15 2017


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

...THE ST SIMONS ISLAND CLIMATE SUMMARY FOR DECEMBER 15 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         70    242 PM  84    1972  63      7       63
  MINIMUM         47   1208 AM  23    1962  45      2       46
  AVERAGE         59                        54      5       55

PRECIPITATION (IN)
  TODAY            0.00          3.27 1997   0.08  -0.08     0.00
  MONTH TO DATE    2.33                      1.22   1.11     2.25
  SINCE DEC 1      2.33                      1.22   1.11     2.25
  SINCE JAN 1     48.55                     43.58   4.97    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            6                        11     -5       10
  MONTH TO DATE  147                       147      0       82
  SINCE DEC 1    147                       147      0       82
  SINCE JUL 1    277                       327    -50      187

 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    18   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED     6.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           100 AM
 LOWEST     43           500 PM
 AVERAGE    68

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


THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   63        84      1971
 MINIMUM TEMPERATURE (F)   45        25      1968


SUNRISE AND SUNSET
DECEMBER 15 2017......SUNRISE   717 AM EST   SUNSET   525 PM EST
DECEMBER 16 2017......SUNRISE   717 AM EST   SUNSET   525 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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