546  
CDGM40 PGUM 301835  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN, GUAM  
425 AM CHST TUE DEC 1 2020  
 
   
...............................
 
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR NOVEMBER 30 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 86 225 PM 90 2012 86 0 86  
1988  
1985  
MINIMUM 75 952 PM 72 1993 77 -2 80  
AVERAGE 81 82 -1 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.38 1.62 1968 0.27 0.11 0.09  
MONTH TO DATE 10.33 9.17 1.16 15.76  
SINCE SEP 1 38.04 35.14 2.90 47.39  
SINCE JAN 1 81.12 91.66 -10.54 90.50  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE SEP 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 SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 16 17 -1 18  
MONTH TO DATE 520 505 15 529  
SINCE SEP 1 1582 1514 68 1563  
SINCE JAN 1 5953 5501 452 5892    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 14.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 200 AM  
LOWEST 70 300 PM  
AVERAGE 78  
   
......................................................
 
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 90 2014  
1989  
1988  
MINIMUM TEMPERATURE (F) 77 71 1963  
 
 
SUNRISE AND SUNSET  
DECEMBER 1 2020......SUNRISE 628 AM CHST SUNSET 552 PM CHST  
DECEMBER 2 2020......SUNRISE 629 AM CHST SUNSET 552 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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