000  
CDGM40 PGUM 121628  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
228 AM CHST MON JAN 13 2025  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JANUARY 12 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 2:50 PM 90 1989 86 0 86  
MINIMUM 78 11:07 AM 71 1973 76 2 74  
1980  
1994  
AVERAGE 82 81 1 80  
 
PRECIPITATION (IN)  
YESTERDAY T 3.17 1988 0.17 -0.17 0.04  
MONTH TO DATE 4.67 2.14 2.53 0.66  
SINCE DEC 1 9.37 7.44 1.93 6.15  
SINCE JAN 1 4.67 2.14 2.53 0.66  
 
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 17 16 1 15  
MONTH TO DATE 192 192 0 199  
SINCE DEC 1 707 713 -6 715  
SINCE JAN 1 192 192 0 199    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 13.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 6:00 PM  
LOWEST 63 3:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 89 1982  
2014  
MINIMUM TEMPERATURE (F) 76 68 1973  
 
SUNRISE AND SUNSET  
JANUARY 13 2025.......SUNRISE 6:47 AM CHST SUNSET 6:12 PM CHST  
JANUARY 14 2025.......SUNRISE 6:47 AM CHST SUNSET 6:12 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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