472  
CDGM40 PGUM 280701  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
501 PM CHST MON DEC 28 2020  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 28 2020...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 85 2:45 PM 89 1988 85 0 88  
1989  
1991  
MINIMUM 79 8:29 AM 71 1968 76 3 74  
AVERAGE 82 81 1 81  
 
PRECIPITATION (IN)  
TODAY 0.06 1.19 2015 0.17 -0.11 T  
MONTH TO DATE 7.99 5.41 2.58 1.40  
SINCE DEC 1 7.99 5.41 2.58 1.40  
SINCE JAN 1 89.11 97.07 -7.96 91.90  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE DEC 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 17 16 1 16  
MONTH TO DATE 468 456 12 473  
SINCE DEC 1 468 456 12 473  
SINCE JAN 1 6421 5957 464 6365    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED MM RESULTANT WIND DIRECTION MM  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED MM  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER MM  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 90 1988  
MINIMUM TEMPERATURE (F) 76 70 1968  
 
SUNRISE AND SUNSET  
DECEMBER 28 2020......SUNRISE 6:42 AM CHST SUNSET 6:03 PM CHST  
DECEMBER 29 2020......SUNRISE 6:43 AM CHST SUNSET 6:03 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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