056
CDGM40 PGUM 181604
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
204 AM CHST MON MAY 19 2025
...............................
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MAY 18 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 89 2:19 PM 92 1987 89 0 88
MINIMUM 76 4:15 AM 74 1985 78 -2 80
1986
1992
AVERAGE 83 83 0 84
PRECIPITATION (IN)
YESTERDAY 0.23 3.39 1977 0.14 0.09 0.10
MONTH TO DATE 0.87 2.38 -1.51 1.03
SINCE MAR 1 6.36 8.65 -2.29 9.82
SINCE JAN 1 14.62 18.14 -3.52 14.08
SNOWFALL (IN)
YESTERDAY 0.0
MONTH TO DATE 0.0
SINCE MAR 1 0.0
SINCE JUL 1 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 18 18 0 19
MONTH TO DATE 334 324 10 325
SINCE MAR 1 1362 1353 9 1343
SINCE JAN 1 2322 2272 50 2252
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION E (70)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 12.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 10:00 PM
LOWEST 52 2:00 PM
AVERAGE 72
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 92 2001
MINIMUM TEMPERATURE (F) 78 74 1989
1992
1994
SUNRISE AND SUNSET
MAY 19 2025...........SUNRISE 5:54 AM CHST SUNSET 6:41 PM CHST
MAY 20 2025...........SUNRISE 5:54 AM CHST SUNSET 6:41 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page