889  
CDGM40 PGUM 250733  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN, GUAM  
523 PM CHST SUN OCT 25 2020  
 
   
...............................
 
 
 
...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR OCTOBER 25 2020...  
VALID TODAY AS OF 0500 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 86 920 AM 91 1990 87 -1 86  
1986  
1979  
MINIMUM 75 1248 AM 72 1988 77 -2 77  
1966  
1964  
AVERAGE 81 82 -1 82  
 
PRECIPITATION (IN)  
TODAY 0.00 2.85 1994 0.35 -0.35 0.75  
MONTH TO DATE 14.62 9.74 4.88 9.85  
SINCE SEP 1 25.58 23.91 1.67 30.88  
SINCE JAN 1 68.66 80.43 -11.77 73.99  
 
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 16 17 -1 17  
MONTH TO DATE 431 425 6 420  
SINCE SEP 1 969 918 51 923  
SINCE JAN 1 5340 4905 435 5252    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 8.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 100 AM  
LOWEST 70 100 PM  
AVERAGE 82  
   
......................................................
 
 
 
THE GUAM INTERNATIONAL AIRPORT GU CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 2016  
MINIMUM TEMPERATURE (F) 77 72 1972  
 
 
SUNRISE AND SUNSET  
OCTOBER 25 2020.......SUNRISE 613 AM CHST SUNSET 556 PM CHST  
OCTOBER 26 2020.......SUNRISE 613 AM CHST SUNSET 556 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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