140  
CDGM40 PGUM 101619  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
219 AM CHST FRI DEC 11 2020  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 10 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 2:56 PM 90 1984 86 -1 86  
MINIMUM 75 12:37 AM 73 1945 77 -2 73  
2019  
AVERAGE 80 81 -1 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 2.93 1981 0.20 -0.11 0.08  
MONTH TO DATE 6.05 2.25 3.80 0.34  
SINCE DEC 1 6.05 2.25 3.80 0.34  
SINCE JAN 1 87.17 93.91 -6.74 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 15 16 -1 15  
MONTH TO DATE 165 168 -3 165  
SINCE DEC 1 165 168 -3 165  
SINCE JAN 1 6118 5669 449 6057    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 10.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 12:00 AM  
LOWEST 67 11:00 AM  
AVERAGE 81  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 89 1985  
1989  
2014  
MINIMUM TEMPERATURE (F) 77 71 1964  
 
SUNRISE AND SUNSET  
DECEMBER 11 2020......SUNRISE 6:34 AM CHST SUNSET 5:55 PM CHST  
DECEMBER 12 2020......SUNRISE 6:34 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