Climatological Report (Daily)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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727
CDGM40 PGUM 081606
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
206 AM CHST WED JUL 09 2025
...................................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JULY 8 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 88 3:13 PM 92 2007 88 0 87
2019
MINIMUM 76 4:46 AM 71 1992 77 -1 77
AVERAGE 82 83 -1 82
PRECIPITATION (IN)
YESTERDAY 0.01 2.63 2008 0.33 -0.32 0.13
MONTH TO DATE 1.95 2.53 -0.58 1.47
SINCE JUN 1 15.45 9.04 6.41 9.47
SINCE JAN 1 31.18 29.25 1.93 26.34
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 17 18 -1 17
MONTH TO DATE 141 144 -3 142
SINCE JUN 1 650 696 -46 673
SINCE JAN 1 3214 3208 6 3154
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SE (150)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 8.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 2:00 AM
LOWEST 70 2:00 PM
AVERAGE 83
..........................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 93 2019
MINIMUM TEMPERATURE (F) 77 71 2006
SUNRISE AND SUNSET
JULY 9 2025..........SUNRISE 6:00 AM CHST SUNSET 6:52 PM CHST
JULY 10 2025..........SUNRISE 6:00 AM CHST SUNSET 6:52 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$