419  
CDGM40 PGUM 151602  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
202 AM CHST THU JAN 16 2025  
   
...............................  
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JANUARY 15 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 85 11:49 AM 89 1989 86 -1 85  
1994  
2011  
MINIMUM 79 6:15 PM 70 1973 75 4 76  
AVERAGE 82 81 1 81  
 
PRECIPITATION (IN)  
YESTERDAY T 2.15 1948 0.18 -0.18 0.13  
MONTH TO DATE 4.71 2.66 2.05 0.80  
SINCE DEC 1 9.41 7.96 1.45 6.29  
SINCE JAN 1 4.71 2.66 2.05 0.80  
 
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 16 1 16  
MONTH TO DATE 244 240 4 248  
SINCE DEC 1 759 761 -2 764  
SINCE JAN 1 244 240 4 248    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 14.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 6:00 PM  
LOWEST 65 10:00 AM  
AVERAGE 78  
   
......................................................  
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 89 1984  
1986  
1989  
MINIMUM TEMPERATURE (F) 75 70 1966  
1973  
1996  
 
SUNRISE AND SUNSET  
JANUARY 16 2025.......SUNRISE 6:48 AM CHST SUNSET 6:13 PM CHST  
JANUARY 17 2025.......SUNRISE 6:48 AM CHST SUNSET 6:14 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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