807  
CDGM40 PGUM 161605  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
205 AM CHST WED MAR 17 2021  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MARCH 16 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 87 2:42 PM 90 1984 86 1 89  
2011  
2014  
MINIMUM 76 11:43 PM 71 1987 76 0 73  
1997  
AVERAGE 82 81 1 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 1.77 1974 0.08 0.01 0.01  
MONTH TO DATE 2.12 1.66 0.46 0.46  
SINCE MAR 1 2.12 1.66 0.46 0.46  
SINCE JAN 1 7.24 11.15 -3.91 7.24  
 
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 17 16 1 16  
MONTH TO DATE 261 245 16 273  
SINCE MAR 1 261 245 16 273  
SINCE JAN 1 1225 1135 90 1211    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 13.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 11:00 PM  
LOWEST 55 2:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 90 1991  
2013  
2018  
MINIMUM TEMPERATURE (F) 76 68 1998  
 
SUNRISE AND SUNSET  
MARCH 17 2021.........SUNRISE 6:27 AM CHST SUNSET 6:31 PM CHST  
MARCH 18 2021.........SUNRISE 6:27 AM CHST SUNSET 6:31 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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