508  
CDGM40 PGUM 071606  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
206 AM CHST FRI JAN 08 2021  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JANUARY 7 2021...  
 
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)  
YESTERDAY  
MAXIMUM 85 2:04 PM 90 1989 85 0 86  
MINIMUM 77 6:27 AM 69 1966 76 1 75  
AVERAGE 81 80 1 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 1.00 2001 0.17 -0.08 T  
MONTH TO DATE 0.82 1.29 -0.47 0.22  
SINCE DEC 1 8.84 7.27 1.57 1.68  
SINCE JAN 1 0.82 1.29 -0.47 0.22  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE DEC 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 DEC 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 16 15 1 16  
MONTH TO DATE 119 108 11 113  
SINCE DEC 1 638 610 28 635  
SINCE JAN 1 119 108 11 113    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 10.8  
 
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 90 3:00 PM  
LOWEST 70 12:00 PM  
AVERAGE 80  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 91 1989  
MINIMUM TEMPERATURE (F) 76 70 1994  
 
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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