642  
CDGM40 PGUM 081611  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
211 AM CHST TUE MAR 09 2021  
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MARCH 8 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 88 1:40 PM 90 1964 85 3 88  
1988  
1990  
MINIMUM 77 11:54 PM 70 1966 75 2 73  
1967  
AVERAGE 83 80 3 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.11 1.13 2003 0.10 0.01 0.00  
MONTH TO DATE 0.24 0.92 -0.68 0.36  
SINCE MAR 1 0.24 0.92 -0.68 0.36  
SINCE JAN 1 5.36 10.41 -5.05 7.14  
 
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 18 15 3 16  
MONTH TO DATE 145 120 25 140  
SINCE MAR 1 145 120 25 140  
SINCE JAN 1 1109 1010 99 1078    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 9:00 PM  
LOWEST 59 2:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 90 2015  
MINIMUM TEMPERATURE (F) 75 68 1967  
 
SUNRISE AND SUNSET  
MARCH 9 2021.........SUNRISE 6:32 AM CHST SUNSET 6:31 PM CHST  
MARCH 10 2021.........SUNRISE 6:32 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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