275  
CDGM40 PGUM 230627  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
427 PM CHST WED DEC 23 2020  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 23 2020...  
VALID TODAY AS OF 0400 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 84 3:15 PM 90 1988 85 -1 86  
2014  
MINIMUM 76 5:16 AM 71 1963 77 -1 78  
1986  
AVERAGE 80 81 -1 82  
 
PRECIPITATION (IN)  
TODAY 0.38 1.44 1996 0.17 0.21 T  
MONTH TO DATE 7.61 4.57 3.04 1.38  
SINCE DEC 1 7.61 4.57 3.04 1.38  
SINCE JAN 1 88.73 96.23 -7.50 91.88  
 
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 15 16 -1 17  
MONTH TO DATE 386 376 10 393  
SINCE DEC 1 386 376 10 393  
SINCE JAN 1 6339 5877 462 6285    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED MM RESULTANT WIND DIRECTION MM  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED MM  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER MM  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 89 1962  
1983  
1984  
MINIMUM TEMPERATURE (F) 77 71 1990  
 
SUNRISE AND SUNSET  
DECEMBER 23 2020......SUNRISE 6:40 AM CHST SUNSET 6:00 PM CHST  
DECEMBER 24 2020......SUNRISE 6:40 AM CHST SUNSET 6:00 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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