Climatological Report (Daily)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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CDGM40 PGUM 280629
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
429 PM CHST SAT JUN 28 2025
...................................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JUNE 28 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 82 MM 94 1969 89 -7 88
MINIMUM 74 4:33 AM 72 1947 78 -4 80
AVERAGE 78 83 -5 84
PRECIPITATION (IN)
TODAY 0.16 5.49 2004 0.27 -0.11 0.03
MONTH TO DATE 13.11 5.92 7.19 6.78
SINCE JUN 1 13.11 5.92 7.19 6.78
SINCE JAN 1 28.84 26.13 2.71 23.65
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 13 18 -5 19
MONTH TO DATE 481 504 -23 498
SINCE JUN 1 481 504 -23 498
SINCE JAN 1 3045 3016 29 2979
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SE (130)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 6.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 12:00 AM
LOWEST 82 1:00 PM
AVERAGE 90
..........................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 94 1969
MINIMUM TEMPERATURE (F) 78 71 1947
SUNRISE AND SUNSET
JUNE 28 2025..........SUNRISE 5:57 AM CHST SUNSET 6:52 PM CHST
JUNE 29 2025..........SUNRISE 5:57 AM CHST SUNSET 6:52 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$