Climatological Report (Daily)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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CDGM40 PGUM 161602
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
202 AM CHST TUE JUN 17 2025
...................................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JUNE 16 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 90 2:18 PM 94 1963 89 1 88
MINIMUM 79 5:09 AM 72 1967 78 1 81
AVERAGE 85 84 1 85
PRECIPITATION (IN)
YESTERDAY T 3.15 2004 0.20 -0.20 T
MONTH TO DATE 4.79 3.04 1.75 5.04
SINCE JUN 1 4.79 3.04 1.75 5.04
SINCE JAN 1 20.52 23.25 -2.73 21.91
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 20 18 2 20
MONTH TO DATE 280 288 -8 274
SINCE JUN 1 280 288 -8 274
SINCE JAN 1 2844 2800 44 2755
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION E (80)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 8.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 3:00 AM
LOWEST 64 12:00 PM
AVERAGE 76
..........................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 92 1994
2016
2021
MINIMUM TEMPERATURE (F) 78 72 1989
SUNRISE AND SUNSET
JUNE 17 2025..........SUNRISE 5:54 AM CHST SUNSET 6:49 PM CHST
JUNE 18 2025..........SUNRISE 5:54 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.
$$