911  
CDGM40 PGUM 091615  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
215 AM CHST FRI JAN 10 2025  
   
...............................  
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JANUARY 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 86 2:31 PM 94 1989 86 0 86  
MINIMUM 76 6:48 AM 70 1988 76 0 77  
AVERAGE 81 81 0 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.20 4.69 1954 0.17 0.03 0.01  
MONTH TO DATE 4.67 1.62 3.05 0.60  
SINCE DEC 1 9.37 6.92 2.45 6.09  
SINCE JAN 1 4.67 1.62 3.05 0.60  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE DEC 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
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 16 16 0 17  
MONTH TO DATE 142 144 -2 150  
SINCE DEC 1 657 665 -8 666  
SINCE JAN 1 142 144 -2 150    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (90)  
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 100 10:00 PM  
LOWEST 70 3:00 PM  
AVERAGE 85  
   
......................................................  
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 91 1989  
MINIMUM TEMPERATURE (F) 76 70 1963  
1973  
 
SUNRISE AND SUNSET  
JANUARY 10 2025.......SUNRISE 6:47 AM CHST SUNSET 6:10 PM CHST  
JANUARY 11 2025.......SUNRISE 6:47 AM CHST SUNSET 6:11 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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