678  
CDGM40 PGUM 280645  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN, GUAM  
445 PM CHST WED OCT 28 2020  
 
   
...............................
 
 
 
...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR OCTOBER 28 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 86 359 PM 91 2015 87 -1 88  
MINIMUM 76 436 AM 72 1967 77 -1 79  
1950  
1948  
AVERAGE 81 82 -1 84  
 
PRECIPITATION (IN)  
TODAY T 3.78 1988 0.35 -0.35 0.04  
MONTH TO DATE 15.86 10.80 5.06 10.01  
SINCE SEP 1 26.82 24.97 1.85 31.04  
SINCE JAN 1 69.90 81.49 -11.59 74.15  
 
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 19  
MONTH TO DATE 475 476 -1 474  
SINCE SEP 1 1013 969 44 977  
SINCE JAN 1 5384 4956 428 5306    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION E (100)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 4.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 200 AM  
LOWEST 70 200 PM  
AVERAGE 82  
   
......................................................
 
 
 
THE GUAM INTERNATIONAL AIRPORT GU CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 1965  
MINIMUM TEMPERATURE (F) 77 72 1967  
 
 
SUNRISE AND SUNSET  
OCTOBER 28 2020.......SUNRISE 614 AM CHST SUNSET 555 PM CHST  
OCTOBER 29 2020.......SUNRISE 614 AM CHST SUNSET 555 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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