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Climatological Report (Daily)
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844
CDCA42 TJSJ 170426
CLIIST


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN, PR
1225 AM AST MON DEC 17 2018


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...THE CYRIL E. KING AP/ST THOMAS  CLIMATE SUMMARY FOR DECEMBER 16 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1953 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         86    127 PM  92    1994  86      0       87
  MINIMUM         75    434 AM  69    1954  74      1       78
  AVERAGE         81                        80      1       83

PRECIPITATION (IN)
  YESTERDAY        0.04          1.04 2004   0.10  -0.06     0.11
  MONTH TO DATE    0.82                      1.62  -0.80     0.11
  SINCE DEC 1      0.82                      1.62  -0.80     0.11
  SINCE JAN 1     34.93                     38.00  -3.07    41.29

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       18
  MONTH TO DATE  259                       240     19       65
  SINCE DEC 1    259                       240     19       65
  SINCE JAN 1   5336                      5834   -498     4597
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     E (110)
  AVERAGE WIND SPEED    11.9


SKY COVER
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    88
 LOWEST     61
 AVERAGE    75

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


THE CYRIL E. KING AP/ST THOMAS  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   86        91      1994
 MINIMUM TEMPERATURE (F)   73        65      1972


SUNRISE AND SUNSET
DECEMBER 17 2018......SUNRISE   645 AM AST   SUNSET   547 PM AST
DECEMBER 18 2018......SUNRISE   645 AM AST   SUNSET   548 PM AST


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




$$
National Weather Service National Headquarters
