603  
CDGM40 PGUM 110635  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
435 PM CHST SAT OCT 11 2025  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 11 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 1:05 PM 91 2004 87 1 86  
MINIMUM 75 5:14 AM 68 1957 77 -2 75  
1962  
AVERAGE 82 82 0 81  
 
PRECIPITATION (IN)  
TODAY T 4.63 2022 0.43 -0.43 0.55  
MONTH TO DATE 2.65 5.06 -2.41 6.82  
SINCE SEP 1 14.99 20.23 -5.24 31.20  
SINCE JAN 1 70.27 76.86 -6.59 78.42  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 17 17 0 16  
MONTH TO DATE 177 187 -10 185  
SINCE SEP 1 666 689 -23 699  
SINCE JAN 1 4795 4817 -22 4797    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 5.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 6:00 AM  
LOWEST 68 1:00 PM  
AVERAGE 82  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 91 2018  
MINIMUM TEMPERATURE (F) 77 67 1959  
1980  
 
SUNRISE AND SUNSET  
OCTOBER 11 2025.......SUNRISE 6:11 AM CHST SUNSET 6:04 PM CHST  
OCTOBER 12 2025.......SUNRISE 6:11 AM CHST SUNSET 6:03 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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