405  
CDGM40 PGUM 201614  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
214 AM CHST MON JUN 21 2021  
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JUNE 20 2021
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
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 90 11:04 AM 93 1987 89 1 91  
MINIMUM 77 2:15 AM 74 1990 78 -1 79  
1994  
2008  
AVERAGE 84 83 1 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 1.54 1957 0.21 -0.16 0.02  
MONTH TO DATE 1.14 3.85 -2.71 2.36  
SINCE JUN 1 1.14 3.85 -2.71 2.36  
SINCE JAN 1 19.12 24.06 -4.94 21.10  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE JUN 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 JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 19 18 1 20  
MONTH TO DATE 378 360 18 390  
SINCE JUN 1 378 360 18 390  
SINCE JAN 1 2951 2835 116 3010    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SE (120)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 1:00 AM  
LOWEST 63 11:00 AM  
AVERAGE 75  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 92 1974  
1983  
1988  
MINIMUM TEMPERATURE (F) 78 73 1950  
1967  
1985  
 
SUNRISE AND SUNSET  
JUNE 21 2021..........SUNRISE 5:55 AM CHST SUNSET 6:50 PM CHST  
JUNE 22 2021..........SUNRISE 5:55 AM CHST SUNSET 6:50 PM CHST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab GU Page Main Text Page