941  
CDGM40 PGUM 150634  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
434 PM CHST TUE APR 15 2025  
   
...............................  
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR APRIL 15 2025...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 88 1:00 PM 91 1984 88 0 88  
1985  
2020  
MINIMUM 79 1:00 AM 73 1951 77 2 74  
2012  
AVERAGE 84 82 2 81  
 
PRECIPITATION (IN)  
TODAY 0.09 1.76 2018 0.13 -0.04 T  
MONTH TO DATE 0.81 1.59 -0.78 1.13  
SINCE MAR 1 3.89 4.36 -0.47 2.75  
SINCE JAN 1 12.15 13.85 -1.70 7.01  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE MAR 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 19 18 1 16  
MONTH TO DATE 257 257 0 258  
SINCE MAR 1 766 761 5 748  
SINCE JAN 1 1726 1680 46 1657    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 12.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 4:00 AM  
LOWEST 68 1:00 PM  
AVERAGE 79  
   
......................................................  
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 95 1971  
MINIMUM TEMPERATURE (F) 77 72 1967  
 
SUNRISE AND SUNSET  
APRIL 15 2025.........SUNRISE 6:08 AM CHST SUNSET 6:34 PM CHST  
APRIL 16 2025.........SUNRISE 6:07 AM CHST SUNSET 6:34 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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