Climatological Report (Daily)
Issued by NWS Tiyan, Guam

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000
CDGM40 PGUM 170746
CLIGUM


CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN, GUAM
536 PM CHST SUN DEC 17 2017


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

...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR DECEMBER 17 2017...
VALID TODAY AS OF 0500 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    135 PM  90    1984  86      2       88
  MINIMUM         81    720 AM  70    1972  77      4       78
  AVERAGE         85                        81      4       83

PRECIPITATION (IN)
  TODAY            0.03          7.23 1997   0.18  -0.15     0.02
  MONTH TO DATE    3.11                      3.54  -0.43     6.23
  SINCE DEC 1      3.11                      3.54  -0.43     6.23
  SINCE JAN 1     95.79                     95.20   0.59    91.49

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           20                        16      4       18
  MONTH TO DATE  311                       280     31      307
  SINCE DEC 1    311                       280     31      307
  SINCE JAN 1   6322                      5781    541     6515
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  14   RESULTANT WIND DIRECTION   E (80)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED    13.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     68          1200 PM
 AVERAGE    84

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


THE GUAM INTERNATIONAL AIRPORT GU CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   86        90      2014
 MINIMUM TEMPERATURE (F)   77        71      1985


SUNRISE AND SUNSET
DECEMBER 17 2017......SUNRISE   637 AM CHST  SUNSET   557 PM CHST
DECEMBER 18 2017......SUNRISE   637 AM CHST  SUNSET   557 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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