200  
CDGM40 PGUM 141626  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
226 AM CHST SUN DEC 15 2024  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 14 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 86 12:47 PM 90 2012 87 -1 87  
2014  
2018  
MINIMUM 80 6:30 AM 71 1953 77 3 79  
AVERAGE 83 82 1 83  
 
PRECIPITATION (IN)  
YESTERDAY T 1.56 1961 0.16 -0.16 0.04  
MONTH TO DATE 2.04 2.61 -0.57 2.30  
SINCE DEC 1 2.04 2.61 -0.57 2.30  
SINCE JAN 1 97.69 95.43 2.26 136.56  
 
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 18 17 1 18  
MONTH TO DATE 236 238 -2 236  
SINCE DEC 1 236 238 -2 236  
SINCE JAN 1 5872 5922 -50 5774    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 13.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 2:00 AM  
LOWEST 67 12:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 91 2014  
MINIMUM TEMPERATURE (F) 77 72 1963  
 
SUNRISE AND SUNSET  
DECEMBER 15 2024......SUNRISE 6:36 AM CHST SUNSET 5:56 PM CHST  
DECEMBER 16 2024......SUNRISE 6:36 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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