Climatological Report (Daily)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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233
CDGM40 PGUM 301626
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
226 AM CHST TUE JUL 01 2025
...................................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JUNE 30 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 12:20 PM 95 1969 89 -1 88
MINIMUM 76 5:13 AM 72 1952 78 -2 75
AVERAGE 82 83 -1 82
PRECIPITATION (IN)
YESTERDAY 0.34 1.32 2002 0.29 0.05 0.22
MONTH TO DATE 13.50 6.51 6.99 8.00
SINCE JUN 1 13.50 6.51 6.99 8.00
SINCE JAN 1 29.23 26.72 2.51 24.87
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 17 18 -1 17
MONTH TO DATE 513 552 -39 531
SINCE JUN 1 513 552 -39 531
SINCE JAN 1 3077 3064 13 3012
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 7.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 9:00 PM
LOWEST 72 10:00 AM
AVERAGE 84
..........................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 93 1969
2018
MINIMUM TEMPERATURE (F) 78 73 1967
SUNRISE AND SUNSET
JULY 1 2025..........SUNRISE 5:57 AM CHST SUNSET 6:52 PM CHST
JULY 2 2025..........SUNRISE 5:58 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.
$$