868  
CDGM40 PGUM 271601  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
201 AM CHST SUN FEB 28 2021  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR FEBRUARY 27 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 3:57 PM 90 1984 85 2 87  
MINIMUM 75 5:43 AM 70 1950 75 0 76  
AVERAGE 81 80 1 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.58 1986 0.15 -0.15 0.00  
MONTH TO DATE 1.01 4.38 -3.37 3.79  
SINCE DEC 1 13.14 15.32 -2.18 8.24  
SINCE JAN 1 5.12 9.34 -4.22 6.78  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE DEC 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 DEC 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 16 15 1 17  
MONTH TO DATE 450 405 45 417  
SINCE DEC 1 1466 1378 88 1427  
SINCE JAN 1 947 876 71 905    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 8.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 6:00 AM  
LOWEST 59 4:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 90 1988  
2015  
MINIMUM TEMPERATURE (F) 75 70 1964  
1973  
 
SUNRISE AND SUNSET  
FEBRUARY 28 2021......SUNRISE 6:38 AM CHST SUNSET 6:29 PM CHST  
MARCH 1 2021.........SUNRISE 6:37 AM CHST SUNSET 6:29 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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