Climatological Report (Daily)
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380
CDUS42 KKEY 170533
CLIMTH

CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST, FL
1230 AM EST MON DEC 17 2018

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

...THE MARATHON CLIMATE SUMMARY FOR DECEMBER 16 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010

WEATHER ITEM   OBSERVED TIME   NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE  FROM      YEAR
                                      NORMAL
......................................................

TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         80    215 PM  77      3       77
  MINIMUM         72   1003 PM  67      5       65
  AVERAGE         76            72      4       71

PRECIPITATION (IN)
  YESTERDAY        T             0.06  -0.06     0.00
  MONTH TO DATE    0.07          1.04  -0.97     0.93
  SINCE DEC 1      0.07          1.04  -0.97     0.93
  SINCE JAN 1     30.64         45.19 -14.55    31.50

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    4             9     -5       18
  SINCE DEC 1      4             9     -5       18
  SINCE JUL 1      8            10     -2       18

 COOLING
  YESTERDAY       11             7      4        6
  MONTH TO DATE  160           134     26      127
  SINCE DEC 1    160           134     26      127
  SINCE JAN 1   5295          4898    397     5506

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

WIND (MPH)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    11   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     4.6

SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7

WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN

RELATIVE HUMIDITY (PERCENT)
 HIGHEST    79
 LOWEST     54
 AVERAGE    67

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

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


SUNRISE AND SUNSET

DECEMBER 17 2018......SUNRISE   702 AM EST   SUNSET   539 PM EST
DECEMBER 18 2018......SUNRISE   703 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.

$$

SC



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