048  
CDGM40 PGUM 281606  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
206 AM CHST SAT MAR 29 2025  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MARCH 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 1:05 PM 92 1964 87 -1 89  
MINIMUM 76 4:47 AM 70 1990 76 0 74  
AVERAGE 81 82 -1 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.21 1976 0.08 -0.08 0.01  
MONTH TO DATE 2.95 2.52 0.43 1.46  
SINCE MAR 1 2.95 2.52 0.43 1.46  
SINCE JAN 1 11.21 12.01 -0.80 5.72  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE MAR 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 MAR 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 16 17 -1 17  
MONTH TO DATE 459 453 6 439  
SINCE MAR 1 459 453 6 439  
SINCE JAN 1 1419 1372 47 1348    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 10.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 10:00 PM  
LOWEST 61 2:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 93 1964  
MINIMUM TEMPERATURE (F) 76 70 2006  
 
SUNRISE AND SUNSET  
MARCH 29 2025.........SUNRISE 6:19 AM CHST SUNSET 6:32 PM CHST  
MARCH 30 2025.........SUNRISE 6:18 AM CHST SUNSET 6:32 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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