Climatological Report (Daily)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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CDGM40 PGUM 190639
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
439 PM CHST THU JUN 19 2025
...................................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JUNE 19 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 88 12:00 PM 93 1969 89 -1 87
MINIMUM 80 1:19 AM 73 1967 78 2 78
1972
AVERAGE 84 83 1 83
PRECIPITATION (IN)
TODAY 0.00 1.39 2017 0.20 -0.20 0.14
MONTH TO DATE 4.86 3.64 1.22 5.55
SINCE JUN 1 4.86 3.64 1.22 5.55
SINCE JAN 1 20.59 23.85 -3.26 22.42
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 19 18 1 18
MONTH TO DATE 335 342 -7 329
SINCE JUN 1 335 342 -7 329
SINCE JAN 1 2899 2854 45 2810
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION E (90)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 9.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 1:00 AM
LOWEST 68 12:00 PM
AVERAGE 78
..........................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 93 1987
MINIMUM TEMPERATURE (F) 78 74 1990
1994
2008
SUNRISE AND SUNSET
JUNE 19 2025..........SUNRISE 5:55 AM CHST SUNSET 6:50 PM CHST
JUNE 20 2025..........SUNRISE 5:55 AM CHST SUNSET 6:50 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$