712  
CDGM40 PGUM 281603  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
203 AM CHST WED JAN 29 2025  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JANUARY 28 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 1:08 PM 89 1972 86 0 83  
MINIMUM 77 12:15 AM 68 1973 75 2 74  
AVERAGE 82 80 2 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.20 2.13 1963 0.15 0.05 0.03  
MONTH TO DATE 5.16 4.88 0.28 2.28  
SINCE DEC 1 9.86 10.18 -0.32 7.77  
SINCE JAN 1 5.16 4.88 0.28 2.28  
 
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 15 2 14  
MONTH TO DATE 441 442 -1 434  
SINCE DEC 1 956 963 -7 950  
SINCE JAN 1 441 442 -1 434    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 12.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 12:00 AM  
LOWEST 61 3:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 89 1972  
1989  
MINIMUM TEMPERATURE (F) 75 67 1973  
 
SUNRISE AND SUNSET  
JANUARY 29 2025.......SUNRISE 6:48 AM CHST SUNSET 6:20 PM CHST  
JANUARY 30 2025.......SUNRISE 6:48 AM CHST SUNSET 6:20 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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