746  
CDGM40 PGUM 270642  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
442 PM CHST TUE APR 27 2021  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR APRIL 27 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 87 9:22 AM 92 2013 88 -1 89  
MINIMUM 75 5:56 AM 72 1969 77 -2 79  
AVERAGE 81 82 -1 84  
 
PRECIPITATION (IN)  
TODAY 0.56 2.42 1974 0.15 0.41 0.02  
MONTH TO DATE 2.84 3.13 -0.29 2.44  
SINCE MAR 1 5.54 5.90 -0.36 3.77  
SINCE JAN 1 10.66 15.39 -4.73 10.55  
 
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 16 17 -1 19  
MONTH TO DATE 480 456 24 492  
SINCE MAR 1 998 943 55 1033  
SINCE JAN 1 1962 1833 129 1971    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 3.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 6:00 AM  
LOWEST 68 11:00 AM  
AVERAGE 82  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 93 2013  
MINIMUM TEMPERATURE (F) 77 70 1986  
 
SUNRISE AND SUNSET  
APRIL 27 2021.........SUNRISE 6:02 AM CHST SUNSET 6:36 PM CHST  
APRIL 28 2021.........SUNRISE 6:01 AM CHST SUNSET 6:36 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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