Climatological Report (Daily)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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278
CDGM40 PGUM 010630
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
430 PM CHST THU OCT 01 2026
...................................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 1 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 84 10:29 AM 91 1984 87 -3 88
1987
1991
MINIMUM 78 12:53 PM 72 1945 76 2 79
AVERAGE 81 82 -1 84
PRECIPITATION (IN)
TODAY 0.18 3.76 1993 0.48 -0.30 0.01
MONTH TO DATE 0.18 0.48 -0.30 0.01
SINCE SEP 1 16.86 15.65 1.21 12.35
SINCE JAN 1 108.89 72.28 36.61 67.63
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 16 17 -1 18
MONTH TO DATE 16 17 -1 18
SINCE SEP 1 527 519 8 507
SINCE JAN 1 4521 4647 -126 4636
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 27 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 13.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 1:00 PM
LOWEST 82 9:00 AM
AVERAGE 88
..........................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 91 1986
1987
2001
MINIMUM TEMPERATURE (F) 76 70 1950
SUNRISE AND SUNSET
OCTOBER 1 2026.......SUNRISE 6:10 AM CHST SUNSET 6:11 PM CHST
OCTOBER 2 2026.......SUNRISE 6:10 AM CHST SUNSET 6:10 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$