Climatological Report (Daily)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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CDGM40 PGUM 191617
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
217 AM CHST SUN APR 20 2025
...................................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR APRIL 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 88 11:32 AM 91 1984 88 0 89
1985
MINIMUM 78 5:12 AM 71 1994 77 1 77
AVERAGE 83 83 0 83
PRECIPITATION (IN)
YESTERDAY 0.00 2.09 1962 0.13 -0.13 T
MONTH TO DATE 1.34 2.08 -0.74 1.13
SINCE MAR 1 4.42 4.85 -0.43 2.75
SINCE JAN 1 12.68 14.34 -1.66 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 326 329 -3 328
SINCE MAR 1 835 833 2 818
SINCE JAN 1 1795 1752 43 1727
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION E (90)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 11.6
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 82 12:00 AM
LOWEST 54 1:00 PM
AVERAGE 68
..........................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 91 1984
1985
1987
MINIMUM TEMPERATURE (F) 77 72 1972
SUNRISE AND SUNSET
APRIL 20 2025.........SUNRISE 6:05 AM CHST SUNSET 6:35 PM CHST
APRIL 21 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.
$$