Climatological Report (Daily)
Issued by NWS Tiyan, Guam

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914
CDGM40 PGUM 172236
CLIGUM

CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
836 AM CHST TUE NOV 18 2025

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

...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR NOVEMBER 17 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  12:56 PM  91    2015  88      0       86
  MINIMUM         78   6:50 PM  68    1984  77      1       76
  AVERAGE         83                        82      1       81

PRECIPITATION (IN)
  YESTERDAY        0.24          2.83 1964   0.29  -0.05     0.28
  MONTH TO DATE    4.54                      5.01  -0.47     4.29
  SINCE SEP 1     32.24                     32.91  -0.67    46.76
  SINCE JAN 1     87.52                     89.54  -2.02    93.98

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       16
  MONTH TO DATE  296                       302     -6      286
  SINCE SEP 1   1293                      1334    -41     1308
  SINCE JAN 1   5422                      5462    -40     5406
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED  13   RESULTANT WIND DIRECTION   E (70)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION    NE (60)
  AVERAGE WIND SPEED    12.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    91          11:00 PM
 LOWEST     63          12:00 PM
 AVERAGE    77

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


THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   88        91      2016
 MINIMUM TEMPERATURE (F)   77        69      1968


SUNRISE AND SUNSET
NOVEMBER 18 2025......SUNRISE   6:21 AM CHST  SUNSET   5:50 PM CHST
NOVEMBER 19 2025......SUNRISE   6:22 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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