764  
CDGM40 PGUM 290007  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
1007 AM CHST SAT MAY 29 2021  
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MAY 28 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 86 4:41 PM 92 1984 89 -3 90  
1987  
2013  
MINIMUM 77 11:15 AM 74 1965 78 -1 80  
1967  
1990  
AVERAGE 82 83 -1 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.27 1.09 1980 0.17 0.10 T  
MONTH TO DATE 6.45 3.96 2.49 5.14  
SINCE MAR 1 12.17 10.23 1.94 8.94  
SINCE JAN 1 17.29 19.72 -2.43 15.72  
 
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 17 18 -1 20  
MONTH TO DATE 503 504 -1 535  
SINCE MAR 1 1557 1521 36 1631  
SINCE JAN 1 2521 2421 100 2569    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 10.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 7:00 AM  
LOWEST 72 2:00 PM  
AVERAGE 83  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 92 1981  
1984  
1987  
MINIMUM TEMPERATURE (F) 78 73 1980  
 
SUNRISE AND SUNSET  
MAY 29 2021...........SUNRISE 5:53 AM CHST SUNSET 6:44 PM CHST  
MAY 30 2021...........SUNRISE 5:53 AM CHST SUNSET 6:44 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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