Climatological Report (Daily)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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134
CDGM40 PGUM 181640
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
240 AM CHST SAT APR 19 2025
...................................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR APRIL 18 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 1:32 PM 96 1971 88 0 88
MINIMUM 78 4:07 AM 74 1992 77 1 78
1994
1997
AVERAGE 83 83 0 83
PRECIPITATION (IN)
YESTERDAY 0.04 2.61 1981 0.12 -0.08 0.00
MONTH TO DATE 1.34 1.95 -0.61 1.13
SINCE MAR 1 4.42 4.72 -0.30 2.75
SINCE JAN 1 12.68 14.21 -1.53 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 18 18 0 18
MONTH TO DATE 308 311 -3 310
SINCE MAR 1 817 815 2 800
SINCE JAN 1 1777 1734 43 1709
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION E (80)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 13.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 4:00 AM
LOWEST 61 3:00 PM
AVERAGE 75
..........................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 91 1984
1985
MINIMUM TEMPERATURE (F) 77 71 1994
SUNRISE AND SUNSET
APRIL 19 2025.........SUNRISE 6:06 AM CHST SUNSET 6:34 PM CHST
APRIL 20 2025.........SUNRISE 6:05 AM CHST SUNSET 6:35 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$