Climatological Report (Daily)
Issued by NWS Tiyan, Guam

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000
CDGM40 PGUM 161835
CLIGUM


CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN, GUAM
425 AM CHST SUN DEC 17 2017


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

...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR DECEMBER 16 2017...

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)
 YESTERDAY
  MAXIMUM         87   1148 AM  90    2016  86      1       90
  MINIMUM         77    406 PM  70    1965  77      0       78
  AVERAGE         82                        81      1       84

PRECIPITATION (IN)
  YESTERDAY        0.45         13.81 1997   0.19   0.26     0.04
  MONTH TO DATE    3.08                      3.36  -0.28     6.21
  SINCE DEC 1      3.08                      3.36  -0.28     6.21
  SINCE JAN 1     95.76                     95.02   0.74    91.47

SNOWFALL (IN)
  YESTERDAY        0.0
  MONTH TO DATE    0.0
  SINCE DEC 1      0.0
  SINCE JUL 1      0.0
  SNOW DEPTH       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       17                        16      1       19
  MONTH TO DATE  291                       264     27      289
  SINCE DEC 1    291                       264     27      289
  SINCE JAN 1   6302                      5765    537     6497
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION   E (70)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    NE (60)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    NE (60)
  AVERAGE WIND SPEED    11.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           900 PM
 LOWEST     70          1100 AM
 AVERAGE    85

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


THE GUAM INTERNATIONAL AIRPORT GU CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   86        90      1984
 MINIMUM TEMPERATURE (F)   77        70      1972


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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