CDGM40 PGUM 141640
CLIGUM

CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
240 AM CHST MON DEC 15 2025

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

...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 14 2025...

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)
 YESTERDAY
  MAXIMUM         83  12:45 PM  90    2012  87     -4       86
                                      2014
                                      2018
  MINIMUM         77   9:27 PM  68    1966  77      0       80
                                      1976
  AVERAGE         80                        82     -2       83

PRECIPITATION (IN)
  YESTERDAY        0.96          1.31 1956   0.16   0.80      T
  MONTH TO DATE    2.42                      2.61  -0.19     2.04
  SINCE DEC 1      2.42                      2.61  -0.19     2.04
  SINCE JAN 1     91.97                     95.43  -3.46    97.69

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       15                        17     -2       18
  MONTH TO DATE  233                       238     -5      236
  SINCE DEC 1    233                       238     -5      236
  SINCE JAN 1   5884                      5922    -38     5872
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED  15   RESULTANT WIND DIRECTION   E (80)
  HIGHEST WIND SPEED    27   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION     E (90)
  AVERAGE WIND SPEED    15.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HEAVY RAIN
  RAIN
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    88          12:00 AM
 LOWEST     82           1:00 AM
 AVERAGE    85

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


THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   87        91      2014
 MINIMUM TEMPERATURE (F)   77        66      1977


SUNRISE AND SUNSET
DECEMBER 15 2025......SUNRISE   6:36 AM CHST  SUNSET   5:56 PM CHST
DECEMBER 16 2025......SUNRISE   6:36 AM CHST  SUNSET   5:56 PM CHST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$