546  
CDGM40 PGUM 091620  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
220 AM CHST WED FEB 10 2021  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR FEBRUARY 9 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 12:47 PM 89 1984 85 2 85  
1985  
1989  
MINIMUM 77 11:58 PM 68 1969 75 2 75  
AVERAGE 82 80 2 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 2.63 1971 0.16 -0.12 0.01  
MONTH TO DATE 0.74 1.41 -0.67 3.06  
SINCE DEC 1 12.87 12.35 0.52 7.51  
SINCE JAN 1 4.85 6.37 -1.52 6.05  
 
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 17 15 2 15  
MONTH TO DATE 147 135 12 133  
SINCE DEC 1 1163 1108 55 1143  
SINCE JAN 1 644 606 38 621    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 13.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 11:00 PM  
LOWEST 55 4:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 90 1972  
MINIMUM TEMPERATURE (F) 75 68 1969  
 
SUNRISE AND SUNSET  
FEBRUARY 10 2021......SUNRISE 6:46 AM CHST SUNSET 6:25 PM CHST  
FEBRUARY 11 2021......SUNRISE 6:45 AM CHST SUNSET 6:25 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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