107  
CDGM40 PGUM 230634  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
434 PM CHST MON JUN 23 2025  
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JUNE 23 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 88 11:08 AM 92 1985 89 -1 87  
2013  
2016  
MINIMUM 78 6:06 AM 72 1967 78 0 79  
1997  
AVERAGE 83 83 0 83  
 
PRECIPITATION (IN)  
TODAY 0.01 3.86 1982 0.25 -0.24 0.41  
MONTH TO DATE 4.87 4.58 0.29 6.15  
SINCE JUN 1 4.87 4.58 0.29 6.15  
SINCE JAN 1 20.60 24.79 -4.19 23.02  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 18 18 0 18  
MONTH TO DATE 408 414 -6 402  
SINCE JUN 1 408 414 -6 402  
SINCE JAN 1 2972 2926 46 2883    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SE (120)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 4:00 AM  
LOWEST 70 10:00 AM  
AVERAGE 80  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 93 1985  
1987  
MINIMUM TEMPERATURE (F) 78 73 2000  
 
SUNRISE AND SUNSET  
JUNE 23 2025..........SUNRISE 5:55 AM CHST SUNSET 6:51 PM CHST  
JUNE 24 2025..........SUNRISE 5:56 AM CHST SUNSET 6:51 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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