284  
CDGM40 PGUM 050632  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
432 PM CHST SUN OCT 05 2025  
   
...............................  
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 5 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 85 10:44 AM 91 1995 87 -2 87  
2003  
2016  
MINIMUM 75 1:40 PM 69 1965 77 -2 74  
1980  
AVERAGE 80 82 -2 81  
 
PRECIPITATION (IN)  
TODAY 0.47 4.23 1973 0.46 0.01 0.08  
MONTH TO DATE 0.67 2.39 -1.72 2.41  
SINCE SEP 1 13.01 17.56 -4.55 26.79  
SINCE JAN 1 68.29 74.19 -5.90 74.01  
 
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 15 17 -2 16  
MONTH TO DATE 83 85 -2 87  
SINCE SEP 1 572 587 -15 601  
SINCE JAN 1 4701 4715 -14 4699    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 2.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 1:00 PM  
LOWEST 74 9:00 AM  
AVERAGE 84  
   
......................................................  
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 91 2016  
MINIMUM TEMPERATURE (F) 77 68 1968  
 
SUNRISE AND SUNSET  
OCTOBER 5 2025.......SUNRISE 6:10 AM CHST SUNSET 6:08 PM CHST  
OCTOBER 6 2025.......SUNRISE 6:10 AM CHST SUNSET 6:07 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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