Climatological Report (Daily)
Issued by NWS Tiyan, Guam

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000
CDGM40 PGUM 130651
CLIGUM


CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN, GUAM
451 PM CHST WED DEC 13 2017


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

...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR DECEMBER 13 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    146 PM  90    2014  86      2       87
                                      1984
  MINIMUM         77    600 AM  71    1972  77      0       78
  AVERAGE         83                        81      2       83

PRECIPITATION (IN)
  TODAY            0.00          1.80 1960   0.18  -0.18     0.03
  MONTH TO DATE    2.60                      2.81  -0.21     6.16
  SINCE DEC 1      2.60                      2.81  -0.21     6.16
  SINCE JAN 1     95.28                     94.47   0.81    91.42

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       18
  MONTH TO DATE  239                       216     23      235
  SINCE DEC 1    239                       216     23      235
  SINCE JAN 1   6250                      5717    533     6443
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION   E (90)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED     9.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           500 AM
 LOWEST     70          1200 PM
 AVERAGE    84

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


THE GUAM INTERNATIONAL AIRPORT GU CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   86        90      2014
                                             2012
                                             1988
 MINIMUM TEMPERATURE (F)   77        71      1953


SUNRISE AND SUNSET
DECEMBER 13 2017......SUNRISE   635 AM CHST  SUNSET   555 PM CHST
DECEMBER 14 2017......SUNRISE   635 AM CHST  SUNSET   556 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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