671  
CDGM40 PGUM 080639  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
439 PM CHST FRI JAN 08 2021  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JANUARY 8 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 87 2:50 PM 91 1989 85 2 86  
MINIMUM 78 7:09 AM 70 1994 76 2 75  
AVERAGE 83 80 3 81  
 
PRECIPITATION (IN)  
TODAY 0.00 2.29 2002 0.18 -0.18 T  
MONTH TO DATE 0.82 1.47 -0.65 0.22  
SINCE DEC 1 8.84 7.45 1.39 1.68  
SINCE JAN 1 0.82 1.47 -0.65 0.22  
 
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 18 15 3 16  
MONTH TO DATE 137 123 14 129  
SINCE DEC 1 656 625 31 651  
SINCE JAN 1 137 123 14 129    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 11.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 12:00 AM  
LOWEST 67 2:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 94 1989  
MINIMUM TEMPERATURE (F) 76 70 1988  
 
SUNRISE AND SUNSET  
JANUARY 8 2021.......SUNRISE 6:46 AM CHST SUNSET 6:09 PM CHST  
JANUARY 9 2021.......SUNRISE 6:46 AM CHST SUNSET 6:09 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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