Climatological Report (Daily)
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000
CDCA42 TJSJ 160443
CLIIST


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN, PR
1243 AM AST SAT DEC 16 2017


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

...THE CYRIL E. KING AP/ST THOMAS  CLIMATE SUMMARY FOR DECEMBER 15 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1953 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         87    109 PM  91    1994  86      1       86
  MINIMUM         75    440 AM  70    2010  74      1       74
  AVERAGE         81                        80      1       80

PRECIPITATION (IN)
  YESTERDAY        T             2.06 2014   0.09  -0.09     0.00
  MONTH TO DATE    T                         1.52  -1.52     0.93
  SINCE DEC 1      T                         1.52  -1.52     0.93
  SINCE JAN 1     41.18                     37.90   3.28    40.17

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

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY       16                        15      1       15
  MONTH TO DATE   47                       225   -178      217
  SINCE DEC 1     47                       225   -178      217
  SINCE JAN 1   4579                      5819  -1240     6169
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     E (90)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     E (90)
  AVERAGE WIND SPEED    10.4


SKY COVER
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    94
 LOWEST     57
 AVERAGE    76

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


THE CYRIL E. KING AP/ST THOMAS  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   86        92      1994
 MINIMUM TEMPERATURE (F)   74        69      1954


SUNRISE AND SUNSET
DECEMBER 16 2017......SUNRISE   645 AM AST   SUNSET   547 PM AST
DECEMBER 17 2017......SUNRISE   645 AM AST   SUNSET   547 PM AST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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