101  
CDGM40 PGUM 140639  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
439 PM CHST MON DEC 14 2020  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 3 2020...  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1945 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 85 1:59 PM 91 2012 86 -1 88  
MINIMUM 74 12:51 AM 71 2003 77 -3 77  
AVERAGE 80 82 -2 83  
 
PRECIPITATION (IN)  
YESTERDAY 1.18R 1.18 2020 0.24 0.94 0.04  
MONTH TO DATE 2.71 0.73 1.98 0.11  
SINCE DEC 1 2.71 0.73 1.98 0.11  
SINCE JAN 1 83.83 92.39 -8.56 90.61  
 
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 15 17 -2 18  
MONTH TO DATE 47 51 -4 51  
SINCE DEC 1 47 51 -4 51  
SINCE JAN 1 6000 5552 448 5943    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SE (140)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 7.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 12:00 AM  
LOWEST 74 1:00 PM  
AVERAGE 86  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 90 1988  
1989  
2015  
MINIMUM TEMPERATURE (F) 77 69 1948  
 
SUNRISE AND SUNSET  
DECEMBER 4 2020......SUNRISE 6:30 AM CHST SUNSET 5:52 PM CHST  
DECEMBER 5 2020......SUNRISE 6:30 AM CHST SUNSET 5:53 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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