Climatological Report (Daily)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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CDGM40 PGUM 081612
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
212 AM CHST WED SEP 09 2026
...................................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 8 2026...
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)
YESTERDAY
MAXIMUM 90 1:20 PM 91 1985 87 3 87
1988
1992
MINIMUM 79 5:48 AM 71 1952 76 3 77
AVERAGE 85 82 3 82
PRECIPITATION (IN)
YESTERDAY 0.00 3.94 1966 0.53 -0.53 0.19
MONTH TO DATE 4.34 4.29 0.05 4.80
SINCE SEP 1 4.34 4.29 0.05 4.80
SINCE JAN 1 96.37 60.92 35.45 60.08
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY 20 17 3 17
MONTH TO DATE 136 136 0 131
SINCE SEP 1 136 136 0 131
SINCE JAN 1 4130 4264 -134 4260
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION N (20)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 8.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 5:00 AM
LOWEST 62 1:00 PM
AVERAGE 76
..........................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 91 1988
1992
1994
MINIMUM TEMPERATURE (F) 76 71 1952
1989
SUNRISE AND SUNSET
SEPTEMBER 9 2026.....SUNRISE 6:10 AM CHST SUNSET 6:27 PM CHST
SEPTEMBER 10 2026.....SUNRISE 6:10 AM CHST SUNSET 6:26 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$