Climatological Report (Daily)
Issued by NWS Tiyan, Guam

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000
CDGM40 PGUM 210702
CLIGUM


CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN, GUAM
502 PM CHST THU SEP 21 2017


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

...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR SEPTEMBER 21 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         MM        MM  92    1985  87     MM       91
  MINIMUM         MM        MM  72    1984  76     MM       79
                                      1966
  AVERAGE         MM                        82     MM       85

PRECIPITATION (IN)
  TODAY            T             3.16 1995   0.45  -0.45     0.20
  MONTH TO DATE   12.16                     10.39   1.77     6.18
  SINCE SEP 1     12.16                     10.39   1.77     6.18
  SINCE JAN 1     67.22                     66.91   0.31    52.52

SNOWFALL (IN)
  TODAY           MM
  MONTH TO DATE    0.0
  SINCE SEP 1      0.0
  SINCE JUL 1      0.0
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  TODAY           MM
  MONTH TO DATE    0
  SINCE SEP 1      0
  SINCE JUL 1      0

 COOLING
  TODAY           MM                        16     MM       20
  MONTH TO DATE  350                       336     14      411
  SINCE SEP 1    350                       336     14      411
  SINCE JAN 1   4732                      4323    409     4875
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   S (160)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION    SE (150)
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM
  AVERAGE WIND SPEED     4.4


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   100          1200 AM
 LOWEST     68          1200 PM
 AVERAGE    84

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


THE GUAM INTERNATIONAL AIRPORT GU CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   87        91      1970
                                             1969
 MINIMUM TEMPERATURE (F)   76        73      2000
                                             1999
                                             1953


SUNRISE AND SUNSET
SEPTEMBER 21 2017.....SUNRISE   610 AM CHST  SUNSET   618 PM CHST
SEPTEMBER 22 2017.....SUNRISE   610 AM CHST  SUNSET   617 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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