827  
CDGM40 PGUM 121604  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
204 AM CHST FRI DEC 13 2024  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 12 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 12:34 PM 91 1984 87 0 87  
MINIMUM 75 5:29 AM 70 1962 77 -2 76  
1969  
AVERAGE 81 82 -1 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 4.47 2016 0.16 -0.16 0.05  
MONTH TO DATE 1.84 2.29 -0.45 2.26  
SINCE DEC 1 1.84 2.29 -0.45 2.26  
SINCE JAN 1 97.49 95.11 2.38 136.52  
 
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 17  
MONTH TO DATE 202 204 -2 202  
SINCE DEC 1 202 204 -2 202  
SINCE JAN 1 5838 5888 -50 5740    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 11.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 7:00 AM  
LOWEST 61 12:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 90 1984  
2014  
2018  
MINIMUM TEMPERATURE (F) 77 71 1972  
 
SUNRISE AND SUNSET  
DECEMBER 13 2024......SUNRISE 6:35 AM CHST SUNSET 5:55 PM CHST  
DECEMBER 14 2024......SUNRISE 6:35 AM CHST SUNSET 5:56 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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