655  
CDGM40 PGUM 111607  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
207 AM CHST SAT DEC 12 2020  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 11 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 87 1:29 PM 89 1985 86 1 87  
1989  
2014  
MINIMUM 75 6:55 AM 71 1964 77 -2 78  
AVERAGE 81 81 0 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.28 1964 0.19 -0.19 0.00  
MONTH TO DATE 6.05 2.44 3.61 0.34  
SINCE DEC 1 6.05 2.44 3.61 0.34  
SINCE JAN 1 87.17 94.10 -6.93 90.84  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE DEC 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH MM  
 
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 16 0 18  
MONTH TO DATE 181 184 -3 183  
SINCE DEC 1 181 184 -3 183  
SINCE JAN 1 6134 5685 449 6075    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 9.3  
 
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 87 1:00 AM  
LOWEST 61 3:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 91 1984  
MINIMUM TEMPERATURE (F) 77 70 1962  
1969  
 
SUNRISE AND SUNSET  
DECEMBER 12 2020......SUNRISE 6:34 AM CHST SUNSET 5:55 PM CHST  
DECEMBER 13 2020......SUNRISE 6:35 AM CHST SUNSET 5:55 PM CHST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab GU Page Main Text Page