Climatological Report (Daily)
Issued by NWS Tiyan, Guam

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195
CDGM40 PGUM 060642
CLIGUM

CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
442 PM CHST SAT DEC 06 2025

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

...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 6 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1945 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         85  11:12 AM  90    2018  87     -2       87
  MINIMUM         78  12:02 AM  64    1976  77      1       77
  AVERAGE         82                        82      0       82

PRECIPITATION (IN)
  TODAY            0.05          2.77 1962   0.20  -0.15     0.52
  MONTH TO DATE    1.21                      1.22  -0.01     1.68
  SINCE DEC 1      1.21                      1.22  -0.01     1.68
  SINCE JAN 1     90.76                     94.04  -3.28    97.33

DEGREE DAYS
 HEATING
  TODAY            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
  TODAY           17                        17      0       17
  MONTH TO DATE  101                       102     -1      102
  SINCE DEC 1    101                       102     -1      102
  SINCE JAN 1   5752                      5786    -34     5738
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   E (110)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     E (90)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    SE (130)
  AVERAGE WIND SPEED     7.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    91          12:00 PM
 LOWEST     75          10:00 AM
 AVERAGE    83

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


THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   87        90      2012
                                             2018
 MINIMUM TEMPERATURE (F)   77        67      1958


SUNRISE AND SUNSET
DECEMBER  6 2025......SUNRISE   6:31 AM CHST  SUNSET   5:53 PM CHST
DECEMBER  7 2025......SUNRISE   6:31 AM CHST  SUNSET   5:53 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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