Climatological Report (Daily)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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CDGM40 PGUM 171639
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
239 AM CHST FRI APR 18 2025
...................................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR APRIL 17 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 87 2:16 PM 91 1984 88 -1 88
1985
2014
MINIMUM 75 7:28 AM 72 1951 77 -2 77
1995
AVERAGE 81 83 -2 83
PRECIPITATION (IN)
YESTERDAY 0.47 6.36 1997 0.13 0.34 0.00
MONTH TO DATE 1.30 1.83 -0.53 1.13
SINCE MAR 1 4.38 4.60 -0.22 2.75
SINCE JAN 1 12.64 14.09 -1.45 7.01
SNOWFALL (IN)
YESTERDAY 0.0
MONTH TO DATE 0.0
SINCE MAR 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 MAR 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 16 18 -2 18
MONTH TO DATE 290 293 -3 292
SINCE MAR 1 799 797 2 782
SINCE JAN 1 1759 1716 43 1691
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION E (90)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 12.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 1:00 AM
LOWEST 65 2:00 PM
AVERAGE 78
..........................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 96 1971
MINIMUM TEMPERATURE (F) 77 74 1992
1994
1997
SUNRISE AND SUNSET
APRIL 18 2025.........SUNRISE 6:06 AM CHST SUNSET 6:34 PM CHST
APRIL 19 2025.........SUNRISE 6:06 AM CHST SUNSET 6:34 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$