606  
CDGM40 PGUM 151625  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
225 AM CHST MON DEC 16 2024  
   
...............................  
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 15 2024...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1945 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 87 12:12 PM 91 2014 87 0 87  
MINIMUM 75 4:29 AM 72 1963 77 -2 80  
AVERAGE 81 82 -1 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 2.29 1956 0.16 -0.15 0.02  
MONTH TO DATE 2.05 2.77 -0.72 2.32  
SINCE DEC 1 2.05 2.77 -0.72 2.32  
SINCE JAN 1 97.70 95.59 2.11 136.58  
 
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 17 -1 19  
MONTH TO DATE 252 255 -3 255  
SINCE DEC 1 252 255 -3 255  
SINCE JAN 1 5888 5939 -51 5793    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 13.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 10:00 PM  
LOWEST 65 2:00 PM  
AVERAGE 78  
   
......................................................  
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 90 2016  
MINIMUM TEMPERATURE (F) 77 70 1965  
 
SUNRISE AND SUNSET  
DECEMBER 16 2024......SUNRISE 6:36 AM CHST SUNSET 5:57 PM CHST  
DECEMBER 17 2024......SUNRISE 6:37 AM CHST SUNSET 5:57 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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