Climatological Report (Daily)
Issued by NWS Tiyan, Guam

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000
CDGM40 PGUM 120630
CLIGUM


CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN, GUAM
430 PM CHST TUE DEC 12 2017


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

...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR DECEMBER 12 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         88    206 PM  91    1984  86      2       81
  MINIMUM         78    234 PM  70    1969  77      1       74
                                      1962
  AVERAGE         83                        81      2       78

PRECIPITATION (IN)
  TODAY            0.01          4.47 2016   0.19  -0.18     4.47
  MONTH TO DATE    2.58                      2.63  -0.05     6.13
  SINCE DEC 1      2.58                      2.63  -0.05     6.13
  SINCE JAN 1     95.26                     94.29   0.97    91.39

SNOWFALL (IN)
  TODAY            0.0
  MONTH TO DATE    0.0
  SINCE DEC 1      0.0
  SINCE JUL 1      0.0
  SNOW DEPTH       0

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

 COOLING
  TODAY           18                        16      2       13
  MONTH TO DATE  221                       200     21      217
  SINCE DEC 1    221                       200     21      217
  SINCE JAN 1   6232                      5701    531     6425
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION   E (100)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     E (110)
  AVERAGE WIND SPEED    11.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    94          1200 AM
 LOWEST     70          1100 AM
 AVERAGE    82

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


THE GUAM INTERNATIONAL AIRPORT GU CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   86        90      2014
                                             1984
 MINIMUM TEMPERATURE (F)   77        71      1972


SUNRISE AND SUNSET
DECEMBER 12 2017......SUNRISE   634 AM CHST  SUNSET   555 PM CHST
DECEMBER 13 2017......SUNRISE   635 AM CHST  SUNSET   555 PM CHST


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




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