554  
CDGM40 PGUM 241608  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
208 AM CHST MON JAN 25 2021  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JANUARY 24 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 2:13 PM 89 1987 85 0 87  
2008  
2017  
MINIMUM 75 11:55 PM 68 1973 75 0 75  
AVERAGE 80 80 0 81  
 
PRECIPITATION (IN)  
YESTERDAY T 1.51 1970 0.14 -0.14 0.00  
MONTH TO DATE 3.84 4.02 -0.18 1.91  
SINCE DEC 1 11.86 10.00 1.86 3.37  
SINCE JAN 1 3.84 4.02 -0.18 1.91  
 
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 15 15 0 16  
MONTH TO DATE 395 363 32 377  
SINCE DEC 1 914 865 49 899  
SINCE JAN 1 395 363 32 377    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 4:00 AM  
LOWEST 61 1:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 89 1973  
MINIMUM TEMPERATURE (F) 75 70 1956  
1973  
 
SUNRISE AND SUNSET  
JANUARY 25 2021.......SUNRISE 6:48 AM CHST SUNSET 6:18 PM CHST  
JANUARY 26 2021.......SUNRISE 6:48 AM CHST SUNSET 6:18 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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