Climatological Report (Daily)
Issued by NWS Tiyan, Guam

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000
CDGM40 PGUM 201845
CLIGUM


CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN, GUAM
445 AM CHST SUN JAN 21 2018


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

...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR JANUARY 20 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   1150 AM  91    1982  85      4       87
  MINIMUM         78    625 AM  71    2000  75      3       77
                                      1987
                                      1973
  AVERAGE         84                        80      4       82

PRECIPITATION (IN)
  YESTERDAY        T             1.66 1975   0.15  -0.15      T
  MONTH TO DATE    0.38                      3.41  -3.03     5.17
  SINCE DEC 1      4.87                      9.39  -4.52    13.85
  SINCE JAN 1      0.38                      3.41  -3.03     5.17

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       17
  MONTH TO DATE  359                       303     56      332
  SINCE DEC 1    925                       805    120      885
  SINCE JAN 1    359                       303     56      332
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION  NE (60)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NE (60)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED    12.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85           300 AM
 LOWEST     59          1100 AM
 AVERAGE    72

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


THE GUAM INTERNATIONAL AIRPORT GU CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   85        89      1989
                                             1982
                                             1972
 MINIMUM TEMPERATURE (F)   75        68      1973


SUNRISE AND SUNSET
JANUARY 21 2018.......SUNRISE   648 AM CHST  SUNSET   616 PM CHST
JANUARY 22 2018.......SUNRISE   648 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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