921  
CDGM40 PGUM 141602  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
202 AM CHST FRI JAN 15 2021  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JANUARY 14 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 85 3:27 PM 89 1986 85 0 86  
2014  
2019  
MINIMUM 76 5:29 AM 71 1950 76 0 73  
1973  
AVERAGE 81 80 1 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.21 7.43 1990 0.16 0.05 0.02  
MONTH TO DATE 1.60 2.47 -0.87 0.88  
SINCE DEC 1 9.62 8.45 1.17 2.34  
SINCE JAN 1 1.60 2.47 -0.87 0.88  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE DEC 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH MM  
 
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 15  
MONTH TO DATE 233 213 20 225  
SINCE DEC 1 752 715 37 747  
SINCE JAN 1 233 213 20 225    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 14.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 5:00 AM  
LOWEST 63 12:00 PM  
AVERAGE 79  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 89 1989  
1994  
2011  
MINIMUM TEMPERATURE (F) 76 70 1973  
 
SUNRISE AND SUNSET  
JANUARY 15 2021.......SUNRISE 6:48 AM CHST SUNSET 6:13 PM CHST  
JANUARY 16 2021.......SUNRISE 6:48 AM CHST SUNSET 6:13 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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