Climatological Report (Daily)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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CDGM40 PGUM 261656
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
256 AM CHST FRI JUN 27 2025
...................................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JUNE 25 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 81 12:00 AM 92 1969 89 -8 88
MINIMUM 74 7:12 AM 71 1968 78 -4 79
AVERAGE 78 83 -5 84
PRECIPITATION (IN)
YESTERDAY 5.37R 1.17 2025 0.26 5.11 0.22
MONTH TO DATE 11.08 5.10 5.98 6.59
SINCE JUN 1 11.08 5.10 5.98 6.59
SINCE JAN 1 26.81 25.31 1.50 23.46
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY 13 18 -5 19
MONTH TO DATE 438 450 -12 439
SINCE JUN 1 438 450 -12 439
SINCE JAN 1 3002 2962 40 2920
...................................................................
WIND (MPH)
RESULTANT WIND SPEED MM RESULTANT WIND DIRECTION MM
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED MM
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER MM
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 7:00 AM
LOWEST 82 12:00 AM
AVERAGE 91
..........................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 91 1993
2007
2016
MINIMUM TEMPERATURE (F) 78 72 1956
SUNRISE AND SUNSET
JUNE 26 2025..........SUNRISE 5:56 AM CHST SUNSET 6:51 PM CHST
JUNE 27 2025..........SUNRISE 5:56 AM CHST SUNSET 6:51 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$