Climatological Report (Daily)
Issued by NWS Tiyan, Guam

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362
CDGM40 PGUM 201613
CLIGUM

CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
213 AM CHST FRI NOV 21 2025

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

...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR NOVEMBER 20 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         88  10:27 AM  90    2015  88      0       87
                                      2018
  MINIMUM         78   9:53 PM  63    1975  77      1       77
  AVERAGE         83                        82      1       82

PRECIPITATION (IN)
  YESTERDAY        0.06          3.28 1981   0.26  -0.20     0.09
  MONTH TO DATE    5.16                      5.82  -0.66     4.39
  SINCE SEP 1     32.86                     33.72  -0.86    46.86
  SINCE JAN 1     88.14                     90.35  -2.21    94.08

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       18                        18      0       17
  MONTH TO DATE  347                       356     -9      336
  SINCE SEP 1   1344                      1388    -44     1358
  SINCE JAN 1   5473                      5516    -43     5456
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED  15   RESULTANT WIND DIRECTION   E (80)
  HIGHEST WIND SPEED    27   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION     E (70)
  AVERAGE WIND SPEED    15.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    88           7:00 PM
 LOWEST     66          12:00 PM
 AVERAGE    77

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


THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   88        90      2014
 MINIMUM TEMPERATURE (F)   77        63      1961


SUNRISE AND SUNSET
NOVEMBER 21 2025......SUNRISE   6:23 AM CHST  SUNSET   5:50 PM CHST
NOVEMBER 22 2025......SUNRISE   6:23 AM CHST  SUNSET   5:50 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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