549  
CDGM40 PGUM 021612  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
212 AM CHST SAT APR 3 2021  
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR APRIL 2 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 84 1:23 PM 91 1969 87 -3 88  
1987  
MINIMUM 76 6:36 AM 71 1994 76 0 77  
AVERAGE 80 82 -2 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.81 1.09 1994 0.09 0.72 0.00  
MONTH TO DATE 0.88 0.17 0.71 T  
SINCE MAR 1 3.58 2.94 0.64 1.33  
SINCE JAN 1 8.70 12.43 -3.73 8.11  
 
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 15 16 -1 18  
MONTH TO DATE 33 32 1 36  
SINCE MAR 1 551 519 32 577  
SINCE JAN 1 1515 1409 106 1515    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION E (100)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 5.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 4:00 PM  
LOWEST 77 1:00 PM  
AVERAGE 86  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 91 1969  
1990  
2009  
MINIMUM TEMPERATURE (F) 76 72 1964  
 
SUNRISE AND SUNSET  
APRIL 3 2021.........SUNRISE 6:16 AM CHST SUNSET 6:33 PM CHST  
APRIL 4 2021.........SUNRISE 6:15 AM CHST SUNSET 6:33 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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