520  
CDGM40 PGUM 141606  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
206 AM CHST FRI DEC 15 2023  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 14 2023...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1945 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 87 2:29 PM 90 2012 87 0 86  
2014  
2018  
MINIMUM 79 4:25 AM 71 1953 77 2 75  
AVERAGE 83 82 1 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 1.56 1961 0.16 -0.12 0.04  
MONTH TO DATE 2.30 2.61 -0.31 3.19  
SINCE DEC 1 2.30 2.61 -0.31 3.19  
SINCE JAN 1 136.82 95.43 41.39 83.94  
 
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 16  
MONTH TO DATE 238 238 0 239  
SINCE DEC 1 238 238 0 239  
SINCE JAN 1 5775 5922 -147 5744    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION NE (60)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 14.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 4:00 AM  
LOWEST 63 4:00 PM  
AVERAGE 74  
   
......................................................
 
 
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 2023......SUNRISE 6:35 AM CHST SUNSET 5:56 PM CHST  
DECEMBER 16 2023......SUNRISE 6:36 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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