987  
CDGM40 PGUM 140640  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
440 PM CHST MON DEC 14 2020  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 1 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 86 1:06 PM 90 1988 86 0 84  
1989  
2014  
MINIMUM 78 1:30 AM 71 1963 77 1 78  
AVERAGE 82 82 0 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.08 1.44 1969 0.25 -0.17 0.05  
MONTH TO DATE 0.08 0.25 -0.17 0.05  
SINCE DEC 1 0.08 0.25 -0.17 0.05  
SINCE JAN 1 81.20 91.91 -10.71 90.55  
 
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 17 17 0 16  
MONTH TO DATE 17 17 0 16  
SINCE DEC 1 17 17 0 16  
SINCE JAN 1 5970 5518 452 5908    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 13.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 2:00 AM  
LOWEST 74 4:00 PM  
AVERAGE 81  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 91 1994  
MINIMUM TEMPERATURE (F) 77 70 1967  
 
SUNRISE AND SUNSET  
DECEMBER 2 2020......SUNRISE 6:29 AM CHST SUNSET 5:52 PM CHST  
DECEMBER 3 2020......SUNRISE 6:29 AM CHST SUNSET 5:52 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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