898  
CDGM40 PGUM 301840  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN, GUAM  
429 AM CHST SAT OCT 31 2020  
 
   
...............................
 
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 30 2020...  
 
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)  
YESTERDAY  
MAXIMUM 85 241 PM 92 1984 87 -2 88  
1966  
1963  
MINIMUM 75 649 AM 72 1967 77 -2 77  
AVERAGE 80 82 -2 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.39 1.89 1978 0.33 0.06 0.22  
MONTH TO DATE 16.66 11.47 5.19 10.56  
SINCE SEP 1 27.62 25.64 1.98 31.59  
SINCE JAN 1 70.70 82.16 -11.46 74.70  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE SEP 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 SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 15 17 -2 18  
MONTH TO DATE 507 510 -3 511  
SINCE SEP 1 1045 1003 42 1014  
SINCE JAN 1 5416 4990 426 5343    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION E (100)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 13.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91 400 AM  
LOWEST 74 1200 PM  
AVERAGE 83  
   
......................................................
 
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 1966  
MINIMUM TEMPERATURE (F) 77 70 1986  
 
 
SUNRISE AND SUNSET  
OCTOBER 31 2020.......SUNRISE 615 AM CHST SUNSET 554 PM CHST  
NOVEMBER 1 2020......SUNRISE 615 AM CHST SUNSET 554 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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