612  
CDGM40 PGUM 250700  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
500 PM CHST SAT JAN 25 2025  
   
...............................  
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JANUARY 25 2025...  
VALID TODAY AS OF 0500 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 86 1:43 PM 89 1973 86 0 83  
MINIMUM 76 1:24 AM 70 1956 75 1 75  
1973  
AVERAGE 81 80 1 79  
 
PRECIPITATION (IN)  
TODAY 0.01 4.33 1976 0.16 -0.15 0.20  
MONTH TO DATE 4.88 4.40 0.48 2.06  
SINCE DEC 1 9.58 9.70 -0.12 7.55  
SINCE JAN 1 4.88 4.40 0.48 2.06  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE DEC 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 DEC 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 16 15 1 14  
MONTH TO DATE 391 397 -6 391  
SINCE DEC 1 906 918 -12 907  
SINCE JAN 1 391 397 -6 391    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 10.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 1:00 AM  
LOWEST 55 2:00 PM  
AVERAGE 72  
   
......................................................  
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 89 1971  
1972  
1989  
MINIMUM TEMPERATURE (F) 75 72 1973  
1983  
2005  
 
SUNRISE AND SUNSET  
JANUARY 25 2025.......SUNRISE 6:48 AM CHST SUNSET 6:18 PM CHST  
JANUARY 26 2025.......SUNRISE 6:48 AM CHST SUNSET 6:18 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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