728  
CDGM40 PGUM 150639  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
439 PM CHST FRI DEC 15 2023  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 15 2023...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 87 12:34 PM 91 2014 87 0 86  
MINIMUM 80 4:12 AM 72 1963 77 3 78  
AVERAGE 84 82 2 82  
 
PRECIPITATION (IN)  
TODAY T 2.29 1956 0.16 -0.16 0.14  
MONTH TO DATE 2.30 2.77 -0.47 3.33  
SINCE DEC 1 2.30 2.77 -0.47 3.33  
SINCE JAN 1 136.82 95.59 41.23 84.08  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE DEC 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 19 17 2 17  
MONTH TO DATE 257 255 2 256  
SINCE DEC 1 257 255 2 256  
SINCE JAN 1 5794 5939 -145 5761    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 18 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 17.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 1:00 AM  
LOWEST 65 11:00 AM  
AVERAGE 74  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 90 2016  
MINIMUM TEMPERATURE (F) 77 70 1965  
 
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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