944  
CDGM40 PGUM 021829  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN, GUAM  
429 AM CHST SAT OCT 3 2020  
 
   
...............................
 
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 2 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 88 356 PM 91 2001 87 1 86  
1987  
1986  
MINIMUM 77 757 AM 70 1950 76 1 77  
AVERAGE 83 82 1 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.10 4.68 1950 0.40 -0.30 0.38  
MONTH TO DATE 0.27 0.82 -0.55 0.38  
SINCE SEP 1 11.23 14.99 -3.76 21.41  
SINCE JAN 1 54.31 71.51 -17.20 64.52  
 
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 18 17 1 17  
MONTH TO DATE 34 34 0 34  
SINCE SEP 1 572 527 45 537  
SINCE JAN 1 4943 4514 429 4866    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 7.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91 100 AM  
LOWEST 63 400 PM  
AVERAGE 77  
   
......................................................
 
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 2018  
1984  
1951  
MINIMUM TEMPERATURE (F) 76 71 1986  
 
 
SUNRISE AND SUNSET  
OCTOBER 3 2020.......SUNRISE 610 AM CHST SUNSET 609 PM CHST  
OCTOBER 4 2020.......SUNRISE 610 AM CHST SUNSET 608 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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