Climatological Report (Daily)
Issued by NWS Key West, FL

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CDUS42 KKEY 180551
CLIEYW


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


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

...THE KEY WEST CLIMATE SUMMARY FOR DECEMBER 17 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         80   1226 PM  84    1956  76      4       83
                                      1948
  MINIMUM         69    729 AM  51    1968  67      2       75
                                      1916
  AVERAGE         75                        71      4       79

PRECIPITATION (IN)
  YESTERDAY        0.00          1.07 2006   0.08  -0.08      T
  MONTH TO DATE    1.28                      1.33  -0.05     0.56
  SINCE DEC 1      1.28                      1.33  -0.05     0.56
  SINCE JAN 1     38.12                     38.94  -0.82    36.17

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    9                         1      8        0
  SINCE DEC 1      9                         1      8        0
  SINCE JUL 1      9                         2      7        0

 COOLING
  YESTERDAY       10                         7      3       14
  MONTH TO DATE  123                       131     -8      225
  SINCE DEC 1    123                       131     -8      225
  SINCE JAN 1   5224                      4664    560     4978
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     E (90)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     E (100)
  AVERAGE WIND SPEED     7.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93
 LOWEST     74
 AVERAGE    84

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


THE KEY WEST CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   76        87      1880
 MINIMUM TEMPERATURE (F)   67        52      1882


SUNRISE AND SUNSET
DECEMBER 18 2017......SUNRISE   705 AM EST   SUNSET   542 PM EST
DECEMBER 19 2017......SUNRISE   706 AM EST   SUNSET   543 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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