629
CDGM40 PGUM 121609
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
209 AM CHST WED MAY 13 2026
...............................
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MAY 12 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1945 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 86 2:27 PM 91 2014 89 -3 89
MINIMUM 77 1:55 AM 67 1970 78 -1 79
1972
1987
AVERAGE 82 83 -1 84
PRECIPITATION (IN)
YESTERDAY 0.10 2.63 1964 0.13 -0.03 0.00
MONTH TO DATE 1.97 1.57 0.40 0.32
SINCE MAR 1 31.04 7.84 23.20 5.81
SINCE JAN 1 44.81 17.33 27.48 14.07
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 17 18 -1 19
MONTH TO DATE 206 216 -10 221
SINCE MAR 1 1147 1245 -98 1249
SINCE JAN 1 2059 2164 -105 2209
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SE (120)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 8.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 4:00 AM
LOWEST 77 4:00 PM
AVERAGE 86
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THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 92 2014
MINIMUM TEMPERATURE (F) 78 66 1987
SUNRISE AND SUNSET
MAY 13 2026...........SUNRISE 5:55 AM CHST SUNSET 6:39 PM CHST
MAY 14 2026...........SUNRISE 5:55 AM CHST SUNSET 6:39 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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