584  
CDGM40 PGUM 011826  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN, GUAM  
426 AM CHST FRI OCT 2 2020  
 
   
...............................
 
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 1 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 86 156 PM 91 1991 87 -1 87  
1987  
1984  
MINIMUM 75 555 AM 72 1945 76 -1 76  
AVERAGE 81 82 -1 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.17 3.76 1993 0.42 -0.25 0.00  
MONTH TO DATE 0.17 0.42 -0.25 0.00  
SINCE SEP 1 11.13 14.59 -3.46 21.03  
SINCE JAN 1 54.21 71.11 -16.90 64.14  
 
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 16 17 -1 17  
MONTH TO DATE 16 17 -1 17  
SINCE SEP 1 554 510 44 520  
SINCE JAN 1 4925 4497 428 4849    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 8.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 100 AM  
LOWEST 70 200 PM  
AVERAGE 82  
   
......................................................
 
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 91 2001  
1987  
1986  
MINIMUM TEMPERATURE (F) 76 70 1950  
 
 
SUNRISE AND SUNSET  
OCTOBER 2 2020.......SUNRISE 610 AM CHST SUNSET 610 PM CHST  
OCTOBER 3 2020.......SUNRISE 610 AM CHST SUNSET 609 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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