697  
CDGM40 PGUM 050008  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
1008 AM CHST TUE JAN 05 2021  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JANUARY 4 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 87 12:28 PM 91 1989 85 2 86  
MINIMUM 76 3:59 AM 70 1992 76 0 75  
AVERAGE 82 80 2 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.32 3.34 2009 0.18 0.14 0.02  
MONTH TO DATE 0.38 0.75 -0.37 0.16  
SINCE DEC 1 8.40 6.73 1.67 1.62  
SINCE JAN 1 0.38 0.75 -0.37 0.16  
 
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 17 15 2 16  
MONTH TO DATE 69 63 6 64  
SINCE DEC 1 588 565 23 586  
SINCE JAN 1 69 63 6 64    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 16 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 16.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91 4:00 AM  
LOWEST 65 11:00 AM  
AVERAGE 78  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 91 1989  
MINIMUM TEMPERATURE (F) 76 70 1963  
1992  
 
SUNRISE AND SUNSET  
JANUARY 5 2021.......SUNRISE 6:45 AM CHST SUNSET 6:07 PM CHST  
JANUARY 6 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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