397  
CDGM40 PGUM 160657  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN, GUAM  
447 PM CHST FRI OCT 16 2020  
 
   
...............................
 
 
 
...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR OCTOBER 16 2020...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1945 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 88 257 PM 92 1982 87 1 89  
MINIMUM 78 750 AM 67 1966 77 1 77  
AVERAGE 83 82 1 83  
 
PRECIPITATION (IN)  
TODAY 0.11 4.69 1953 0.39 -0.28 T  
MONTH TO DATE 10.88 6.45 4.43 7.64  
SINCE SEP 1 21.84 20.62 1.22 28.67  
SINCE JAN 1 64.92 77.14 -12.22 71.78  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE SEP 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0  
MONTH TO DATE 0  
SINCE SEP 1 0  
SINCE JUL 1 0  
 
COOLING  
TODAY 18 17 1 18  
MONTH TO DATE 284 272 12 265  
SINCE SEP 1 822 765 57 768  
SINCE JAN 1 5193 4752 441 5097    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 12.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 400 AM  
LOWEST 72 300 PM  
AVERAGE 79  
   
......................................................
 
 
 
THE GUAM INTERNATIONAL AIRPORT GU CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 1986  
MINIMUM TEMPERATURE (F) 77 70 1966  
 
 
SUNRISE AND SUNSET  
OCTOBER 16 2020.......SUNRISE 612 AM CHST SUNSET 601 PM CHST  
OCTOBER 17 2020.......SUNRISE 612 AM CHST SUNSET 600 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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