Climatological Report (Daily)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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951
CDGM40 PGUM 020627
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
427 PM CHST FRI OCT 02 2026
...................................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 2 2026...
VALID TODAY AS OF 0400 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 82 4:04 PM 91 1986 87 -5 88
1987
2001
MINIMUM 73 10:35 AM 70 1950 76 -3 77
AVERAGE 78 82 -4 83
PRECIPITATION (IN)
TODAY 2.00 4.68 1950 0.48 1.52 0.07
MONTH TO DATE 2.52 0.96 1.56 0.08
SINCE SEP 1 19.20 16.13 3.07 12.42
SINCE JAN 1 111.23 72.76 38.47 67.70
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 18
MONTH TO DATE 29 34 -5 36
SINCE SEP 1 540 536 4 525
SINCE JAN 1 4534 4664 -130 4654
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 20 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 53 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 20.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 5:00 AM
LOWEST 85 5:00 AM
AVERAGE 91
..........................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 92 1951
1984
2018
MINIMUM TEMPERATURE (F) 77 71 1986
SUNRISE AND SUNSET
OCTOBER 2 2026.......SUNRISE 6:10 AM CHST SUNSET 6:10 PM CHST
OCTOBER 3 2026.......SUNRISE 6:10 AM CHST SUNSET 6:09 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$