Climatological Report (Daily)
Issued by NWS Tiyan, Guam

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000
CDGM40 PGUM 171846
CLIGUM


CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN, GUAM
436 AM CHST THU JAN 18 2018


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

...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR JANUARY 17 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         89    131 PM  90    1964  85      4       86
  MINIMUM         79    711 AM  68    2000  75      4       75
  AVERAGE         84                        80      4       81

PRECIPITATION (IN)
  YESTERDAY        T             0.91 1997   0.16  -0.16     0.20
  MONTH TO DATE    0.38                      2.94  -2.56     3.36
  SINCE DEC 1      4.87                      8.92  -4.05    12.04
  SINCE JAN 1      0.38                      2.94  -2.56     3.36

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       19                        15      4       16
  MONTH TO DATE  303                       258     45      285
  SINCE DEC 1    869                       760    109      838
  SINCE JAN 1    303                       258     45      285
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  14   RESULTANT WIND DIRECTION   E (80)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED    13.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    91           700 AM
 LOWEST     63          1200 PM
 AVERAGE    77

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


THE GUAM INTERNATIONAL AIRPORT GU CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   85        89      1985
                                             1972
                                             1964
 MINIMUM TEMPERATURE (F)   75        66      2000


SUNRISE AND SUNSET
JANUARY 18 2018.......SUNRISE   648 AM CHST  SUNSET   614 PM CHST
JANUARY 19 2018.......SUNRISE   648 AM CHST  SUNSET   615 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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