Climatological Report (Daily)
Issued by NWS Tiyan, Guam

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000
CDGM40 PGUM 211845
CLIGUM


CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN, GUAM
435 AM CHST FRI SEP 22 2017


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

...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR SEPTEMBER 21 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         89        MM  92    1985  87      2       91
  MINIMUM         78        MM  72    1984  76      2       79
                                      1966
  AVERAGE         84                        82      2       85

PRECIPITATION (IN)
  YESTERDAY        0.28          3.16 1995   0.45  -0.17     0.20
  MONTH TO DATE   12.44                     10.39   2.05     6.18
  SINCE SEP 1     12.44                     10.39   2.05     6.18
  SINCE JAN 1     67.50                     66.91   0.59    52.52

SNOWFALL (IN)
  YESTERDAY        0.0
  MONTH TO DATE    0.0
  SINCE SEP 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 SEP 1      0                         0      0        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY       19                        16      3       20
  MONTH TO DATE  369                       336     33      411
  SINCE SEP 1    369                       336     33      411
  SINCE JAN 1   4751                      4323    428     4875
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  SE (150)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION    SE (150)
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM
  AVERAGE WIND SPEED     3.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  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 TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   87        91      1970
                                             1969
 MINIMUM TEMPERATURE (F)   76        73      2000
                                             1999
                                             1953


SUNRISE AND SUNSET
SEPTEMBER 22 2017.....SUNRISE   610 AM CHST  SUNSET   617 PM CHST
SEPTEMBER 23 2017.....SUNRISE   610 AM CHST  SUNSET   616 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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