279  
CDGM40 PGUM 290631  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
431 PM CHST SAT MAY 29 2021  
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MAY 29 2021
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 88 2:15 PM 92 1981 89 -1 90  
1984  
1987  
MINIMUM 80 5:10 AM 73 1980 78 2 77  
AVERAGE 84 83 1 84  
 
PRECIPITATION (IN)  
TODAY 0.00 2.00 1963 0.16 -0.16 0.06  
MONTH TO DATE 6.45 4.12 2.33 5.20  
SINCE MAR 1 12.17 10.39 1.78 9.00  
SINCE JAN 1 17.29 19.88 -2.59 15.78  
 
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 19 18 1 19  
MONTH TO DATE 522 522 0 554  
SINCE MAR 1 1576 1539 37 1650  
SINCE JAN 1 2540 2439 101 2588    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 14.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 5:00 AM  
LOWEST 63 2:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 94 1971  
MINIMUM TEMPERATURE (F) 78 72 1985  
 
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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