310  
CDGM40 PGUM 100646  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN, GUAM  
436 PM CHST SAT OCT 10 2020  
 
   
...............................
 
 
 
...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR OCTOBER 10 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 1255 PM 93 1969 87 -1 88  
MINIMUM 79 756 AM 72 2005 76 3 76  
1945  
AVERAGE 83 82 1 82  
 
PRECIPITATION (IN)  
TODAY 0.30 4.63 1979 0.40 -0.10 0.05  
MONTH TO DATE 6.13 4.08 2.05 6.64  
SINCE SEP 1 17.09 18.25 -1.16 27.67  
SINCE JAN 1 60.17 74.77 -14.60 70.78  
 
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 18 17 1 17  
MONTH TO DATE 176 170 6 162  
SINCE SEP 1 714 663 51 665  
SINCE JAN 1 5085 4650 435 4994    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 4.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91 100 AM  
LOWEST 70 1100 AM  
AVERAGE 81  
   
......................................................
 
 
 
THE GUAM INTERNATIONAL AIRPORT GU CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 1969  
1962  
MINIMUM TEMPERATURE (F) 76 73 2013  
2012  
1963  
 
 
SUNRISE AND SUNSET  
OCTOBER 10 2020.......SUNRISE 611 AM CHST SUNSET 605 PM CHST  
OCTOBER 11 2020.......SUNRISE 611 AM CHST SUNSET 604 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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