344  
CDGM40 PGUM 060649  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
449 PM CHST WED JAN 06 2021  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JANUARY 6 2021...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1945 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 85 2:23 PM 90 1989 85 0 88  
MINIMUM 78 2:26 AM 70 1980 76 2 74  
AVERAGE 82 80 2 81  
 
PRECIPITATION (IN)  
TODAY T 1.66 2013 0.18 -0.18 0.06  
MONTH TO DATE 0.72 1.12 -0.40 0.22  
SINCE DEC 1 8.74 7.10 1.64 1.68  
SINCE JAN 1 0.72 1.12 -0.40 0.22  
 
SNOWFALL (IN)  
TODAY MM  
MONTH TO DATE 0.0  
SINCE DEC 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH MM  
 
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 15 2 16  
MONTH TO DATE 103 93 10 97  
SINCE DEC 1 622 595 27 619  
SINCE JAN 1 103 93 10 97    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 13.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 12:00 AM  
LOWEST 68 2:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 90 1989  
MINIMUM TEMPERATURE (F) 76 69 1966  
 
SUNRISE AND SUNSET  
JANUARY 6 2021.......SUNRISE 6:46 AM CHST SUNSET 6:08 PM CHST  
JANUARY 7 2021.......SUNRISE 6:46 AM CHST SUNSET 6:08 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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