Climatological Report (Daily)
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000
CDUS42 KKEY 180551
CLIMTH


CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST, FL
1250 AM EST MON DEC 18 2017


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

...THE MARATHON CLIMATE SUMMARY FOR DECEMBER 17 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010


WEATHER ITEM   OBSERVED TIME   NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE  FROM      YEAR
                                      NORMAL
......................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         82    251 PM  77      5       86
  MINIMUM         68    426 AM  67      1       79
  AVERAGE         75            72      3       83

PRECIPITATION (IN)
  YESTERDAY        0.00          0.08  -0.08      T
  MONTH TO DATE    0.93          1.12  -0.19     1.23
  SINCE DEC 1      0.93          1.12  -0.19     1.23
  SINCE JAN 1     31.50         45.27 -13.77    37.23

SNOWFALL (IN)
  YESTERDAY        0.0
  MONTH TO DATE    0.0
  SINCE DEC 1      0.0
  SINCE JUL 1      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0             1     -1        0
  MONTH TO DATE   18            10      8        0
  SINCE DEC 1     18            10      8        0
  SINCE JUL 1     18            11      7        0

 COOLING
  YESTERDAY       10             7      3       18
  MONTH TO DATE  137           141     -4      262
  SINCE DEC 1    137           141     -4      262
  SINCE JAN 1   5516          4905    611     5227
......................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     E (90)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     E (100)
  AVERAGE WIND SPEED     7.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90
 LOWEST     62
 AVERAGE    76

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


THE MARATHON CLIMATE NORMALS FOR TODAY
                         NORMAL
 MAXIMUM TEMPERATURE (F)   76
 MINIMUM TEMPERATURE (F)   66


SUNRISE AND SUNSET
DECEMBER 18 2017......SUNRISE   703 AM EST   SUNSET   539 PM EST
DECEMBER 19 2017......SUNRISE   703 AM EST   SUNSET   540 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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