Climatological Report (Daily)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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CDGM40 PGUM 191602
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
202 AM CHST MON JAN 20 2025
...................................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JANUARY 19 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 86 1:19 PM 90 2012 86 0 84
2018
MINIMUM 73 6:57 AM 69 2000 75 -2 75
AVERAGE 80 80 0 80
PRECIPITATION (IN)
YESTERDAY 0.00 1.66 1970 0.18 -0.18 T
MONTH TO DATE 4.86 3.38 1.48 1.05
SINCE DEC 1 9.56 8.68 0.88 6.54
SINCE JAN 1 4.86 3.38 1.48 1.05
SNOWFALL (IN)
YESTERDAY 0.0
MONTH TO DATE 0.0
SINCE DEC 1 0.0
SINCE JUL 1 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 15 16 -1 15
MONTH TO DATE 309 304 5 306
SINCE DEC 1 824 825 -1 822
SINCE JAN 1 309 304 5 306
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION E (70)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 10.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 7:00 AM
LOWEST 61 1:00 PM
AVERAGE 74
..........................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 91 1982
MINIMUM TEMPERATURE (F) 75 71 1973
1987
2000
SUNRISE AND SUNSET
JANUARY 20 2025.......SUNRISE 6:48 AM CHST SUNSET 6:15 PM CHST
JANUARY 21 2025.......SUNRISE 6:48 AM CHST SUNSET 6:16 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$