786  
CDGM40 PGUM 091601  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
201 AM CHST TUE JUN 10 2025  
   
...............................  
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JUNE 9 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 3:02 PM 93 1987 89 -1 87  
MINIMUM 80 4:43 AM 73 1955 78 2 78  
1972  
AVERAGE 84 84 0 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 1.93 1989 0.19 -0.13 0.07  
MONTH TO DATE 4.16 1.63 2.53 2.05  
SINCE JUN 1 4.16 1.63 2.53 2.05  
SINCE JAN 1 19.89 21.84 -1.95 18.92  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 19 18 1 18  
MONTH TO DATE 150 162 -12 150  
SINCE JUN 1 150 162 -12 150  
SINCE JAN 1 2714 2674 40 2631    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION E (100)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 9.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 12:00 AM  
LOWEST 66 3:00 PM  
AVERAGE 78  
   
......................................................  
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 92 1964  
2016  
2017  
MINIMUM TEMPERATURE (F) 78 71 1988  
 
SUNRISE AND SUNSET  
JUNE 10 2025..........SUNRISE 5:53 AM CHST SUNSET 6:47 PM CHST  
JUNE 11 2025..........SUNRISE 5:53 AM CHST SUNSET 6:48 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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