558  
CDGM40 PGUM 181614  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
214 AM CHST MON APR 19 2021  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR APRIL 18 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 90 11:50 AM 96 1971 87 3 91  
MINIMUM 77 5:50 AM 74 1992 77 0 77  
1994  
1997  
AVERAGE 84 82 2 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.61 1981 0.13 -0.13 0.17  
MONTH TO DATE 1.31 1.88 -0.57 1.13  
SINCE MAR 1 4.01 4.65 -0.64 2.46  
SINCE JAN 1 9.13 14.14 -5.01 9.24  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE MAR 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 MAR 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 19 17 2 19  
MONTH TO DATE 327 303 24 319  
SINCE MAR 1 845 790 55 860  
SINCE JAN 1 1809 1680 129 1798    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 3:00 AM  
LOWEST 59 11:00 AM  
AVERAGE 74  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 91 1984  
1985  
MINIMUM TEMPERATURE (F) 77 71 1994  
 
SUNRISE AND SUNSET  
APRIL 19 2021.........SUNRISE 6:06 AM CHST SUNSET 6:34 PM CHST  
APRIL 20 2021.........SUNRISE 6:05 AM CHST SUNSET 6:35 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