478
CDGM40 PGUM 180721
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
521 PM CHST SUN OCT 18 2026
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 18 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1945 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 80 MM 92 1989 87 -7 86
MINIMUM 76 MM 73 1967 77 -1 74
1969
1995
AVERAGE 78 82 -4 80
PRECIPITATION (IN)
TODAY 1.69 5.43 2003 0.40 1.29 1.18
MONTH TO DATE 17.70 7.97 9.73 11.07
SINCE SEP 1 34.38 23.14 11.24 23.41
SINCE JAN 1 126.41 79.77 46.64 78.69
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 13 17 -4 15
MONTH TO DATE 280 306 -26 290
SINCE SEP 1 791 808 -17 779
SINCE JAN 1 4785 4936 -151 4908
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 26 RESULTANT WIND DIRECTION E (100)
HIGHEST WIND SPEED 53 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 83 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 36.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 4:00 AM
LOWEST 88 1:00 AM
AVERAGE 93
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 91 1988
1991
1992
MINIMUM TEMPERATURE (F) 77 70 1994
SUNRISE AND SUNSET
OCTOBER 18 2026.......SUNRISE 6:12 AM CHST SUNSET 6:00 PM CHST
OCTOBER 19 2026.......SUNRISE 6:12 AM CHST SUNSET 6:00 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