256
CDGM40 PGUM 180627
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
427 PM CHST WED JUN 18 2025
...............................
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JUNE 18 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 89 2:44 PM 93 1966 89 0 88
1993
MINIMUM 78 12:06 AM 72 1967 78 0 78
AVERAGE 84 83 1 83
PRECIPITATION (IN)
TODAY T 0.93 1996 0.20 -0.20 0.34
MONTH TO DATE 4.86 3.44 1.42 5.41
SINCE JUN 1 4.86 3.44 1.42 5.41
SINCE JAN 1 20.59 23.65 -3.06 22.28
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 316 324 -8 311
SINCE JUN 1 316 324 -8 311
SINCE JAN 1 2880 2836 44 2792
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION E (90)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 7.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 1:00 AM
LOWEST 66 1:00 PM
AVERAGE 78
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 93 1969
MINIMUM TEMPERATURE (F) 78 73 1967
1972
SUNRISE AND SUNSET
JUNE 18 2025..........SUNRISE 5:54 AM CHST SUNSET 6:50 PM CHST
JUNE 19 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.
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