676  
CDGM40 PGUM 210631  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
431 PM CHST SUN MAR 21 2021  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MARCH 21 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 86 3:54 PM 90 1994 86 0 87  
2013  
2018  
MINIMUM 77 6:38 AM 72 1964 76 1 77  
1965  
1997  
AVERAGE 82 81 1 82  
 
PRECIPITATION (IN)  
TODAY 0.00 0.81 1996 0.08 -0.08 0.04  
MONTH TO DATE 2.35 2.06 0.29 0.52  
SINCE MAR 1 2.35 2.06 0.29 0.52  
SINCE JAN 1 7.47 11.55 -4.08 7.30  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE MAR 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 MAR 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 17 16 1 17  
MONTH TO DATE 345 325 20 363  
SINCE MAR 1 345 325 20 363  
SINCE JAN 1 1309 1215 94 1301    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION E (100)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 9.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 12:00 AM  
LOWEST 59 2:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 91 2013  
MINIMUM TEMPERATURE (F) 76 70 1992  
1997  
2008  
 
SUNRISE AND SUNSET  
MARCH 21 2021.........SUNRISE 6:25 AM CHST SUNSET 6:32 PM CHST  
MARCH 22 2021.........SUNRISE 6:24 AM CHST SUNSET 6:32 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