Climatological Report (Daily)
Issued by NWS Tiyan, Guam

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000
CDGM40 PGUM 121845
CLIGUM


CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN, GUAM
445 AM CHST WED DEC 13 2017


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

...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR DECEMBER 12 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         88    206 PM  91    1984  86      2       81
  MINIMUM         78    810 PM  70    1969  77      1       74
                                      1962
  AVERAGE         83                        81      2       78

PRECIPITATION (IN)
  YESTERDAY        0.02          4.47 2016   0.19  -0.17     4.47
  MONTH TO DATE    2.59                      2.63  -0.04     6.13
  SINCE DEC 1      2.59                      2.63  -0.04     6.13
  SINCE JAN 1     95.27                     94.29   0.98    91.39

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       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  10   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     9.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


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


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

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


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


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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