770  
CDGM40 PGUM 021603  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
203 AM CHST WED DEC 03 2025  
   
...............................  
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 2 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 87 12:49 PM 90 2010 87 0 88  
2015  
2018  
MINIMUM 79 12:39 AM 65 1979 77 2 75  
AVERAGE 83 82 1 82  
 
PRECIPITATION (IN)  
YESTERDAY T 3.23 2009 0.21 -0.21 0.39  
MONTH TO DATE 0.67 0.42 0.25 0.42  
SINCE DEC 1 0.67 0.42 0.25 0.42  
SINCE JAN 1 90.22 93.24 -3.02 96.07  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 18 17 1 17  
MONTH TO DATE 33 34 -1 34  
SINCE DEC 1 33 34 -1 34  
SINCE JAN 1 5684 5718 -34 5670    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION E (100)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 12.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 12:00 AM  
LOWEST 61 12:00 PM  
AVERAGE 73  
   
......................................................  
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 91 2012  
MINIMUM TEMPERATURE (F) 77 66 1967  
1991  
 
SUNRISE AND SUNSET  
DECEMBER 3 2025......SUNRISE 6:29 AM CHST SUNSET 5:52 PM CHST  
DECEMBER 4 2025......SUNRISE 6:30 AM CHST SUNSET 5:52 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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