Climatological Report (Daily)
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000
CDUS42 KKEY 160539
CLIMTH


CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST, FL
1234 AM EST SAT DEC 16 2017


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

...THE MARATHON CLIMATE SUMMARY FOR DECEMBER 15 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010

WEATHER ITEM   OBSERVED TIME   NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE  FROM      YEAR
                                      NORMAL
......................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         75    237 PM  77     -2       81
  MINIMUM         55    411 AM  67    -12       75
  AVERAGE         65            72     -7       78

PRECIPITATION (IN)
  YESTERDAY        0.00          0.06  -0.06     0.00
  MONTH TO DATE    0.93          0.98  -0.05     1.23
  SINCE DEC 1      0.93          0.98  -0.05     1.23
  SINCE JAN 1     31.50         45.13 -13.63    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             8     10        0
  SINCE DEC 1     18             8     10        0
  SINCE JUL 1     18             9      9        0

 COOLING
  YESTERDAY        0             8     -8       13
  MONTH TO DATE  121           127     -6      230
  SINCE DEC 1    121           127     -6      230
  SINCE JAN 1   5500          4891    609     5195
......................................................


WIND (MPH)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION    NE (30)
  HIGHEST GUST SPEED    11   HIGHEST GUST DIRECTION     N (10)
  AVERAGE WIND SPEED     3.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93
 LOWEST     44
 AVERAGE    69

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


THE MARATHON CLIMATE NORMALS FOR TODAY
                         NORMAL
 MAXIMUM TEMPERATURE (F)   77
 MINIMUM TEMPERATURE (F)   67


SUNRISE AND SUNSET
DECEMBER 16 2017......SUNRISE   702 AM EST   SUNSET   538 PM EST
DECEMBER 17 2017......SUNRISE   702 AM EST   SUNSET   539 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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