Climatological Report (Daily)
Issued by NWS Tiyan, Guam

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000
CDGM40 PGUM 200637
CLIGUM


CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN, GUAM
426 PM CHST SUN AUG 20 2017


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

...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR AUGUST 20 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         86    133 PM  92    1981  87     -1       90
  MINIMUM         77    746 AM  71    1960  76      1       79
  AVERAGE         82                        81      1       85

PRECIPITATION (IN)
  TODAY            0.42          4.17 1996   0.57  -0.15     0.10
  MONTH TO DATE    4.60                     10.64  -6.04    16.18
  SINCE JUN 1     22.86                     29.87  -7.01    30.68
  SINCE JAN 1     49.93                     50.01  -0.08    41.67

SNOWFALL (IN)
  TODAY            0.0
  MONTH TO DATE    0.0
  SINCE JUN 1      0.0
  SINCE JUL 1      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            0
  MONTH TO DATE    0
  SINCE JUN 1      0
  SINCE JUL 1      0

 COOLING
  TODAY           17                        16      1       20
  MONTH TO DATE  369                       320     49      342
  SINCE JUN 1   1523                      1371    152     1564
  SINCE JAN 1   4196                      3799    397     4250
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION  SE (120)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     E (110)
  AVERAGE WIND SPEED     3.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           400 AM
 LOWEST     80           200 PM
 AVERAGE    89

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


THE GUAM INTERNATIONAL AIRPORT GU CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   87        91      1971
                                             1969
 MINIMUM TEMPERATURE (F)   76        71      1991
                                             1960


SUNRISE AND SUNSET
AUGUST 20 2017........SUNRISE   609 AM CHST  SUNSET   640 PM CHST
AUGUST 21 2017........SUNRISE   609 AM CHST  SUNSET   639 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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