698  
CDGM40 PGUM 271603  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
203 AM CHST TUE JAN 28 2025  
   
...............................  
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JANUARY 27 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 12:45 PM 89 1989 86 0 84  
2015  
2018  
MINIMUM 76 4:09 AM 70 1973 75 1 73  
AVERAGE 81 80 1 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 1.94 1976 0.16 -0.10 0.17  
MONTH TO DATE 4.95 4.73 0.22 2.25  
SINCE DEC 1 9.65 10.03 -0.38 7.74  
SINCE JAN 1 4.95 4.73 0.22 2.25  
 
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 16 15 1 14  
MONTH TO DATE 424 427 -3 420  
SINCE DEC 1 939 948 -9 936  
SINCE JAN 1 424 427 -3 420    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 3:00 AM  
LOWEST 70 12:00 PM  
AVERAGE 83  
   
......................................................  
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 89 1972  
MINIMUM TEMPERATURE (F) 75 68 1973  
 
SUNRISE AND SUNSET  
JANUARY 28 2025.......SUNRISE 6:48 AM CHST SUNSET 6:19 PM CHST  
JANUARY 29 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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