985  
CDGM40 PGUM 090652  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN, GUAM  
441 PM CHST FRI OCT 9 2020  
 
   
...............................
 
 
 
...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR OCTOBER 9 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 82 1257 PM 92 1984 87 -5 84  
1967  
MINIMUM 79 359 PM 71 1952 76 3 75  
AVERAGE 81 82 -1 80  
 
PRECIPITATION (IN)  
TODAY 1.60 4.20 1979 0.41 1.19 0.75  
MONTH TO DATE 5.64 3.68 1.96 6.59  
SINCE SEP 1 16.60 17.85 -1.25 27.62  
SINCE JAN 1 59.68 74.37 -14.69 70.73  
 
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 15  
MONTH TO DATE 158 153 5 145  
SINCE SEP 1 696 646 50 648  
SINCE JAN 1 5067 4633 434 4977    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION NE (40)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 3.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91 200 AM  
LOWEST 85 1200 AM  
AVERAGE 88  
   
......................................................
 
 
 
THE GUAM INTERNATIONAL AIRPORT GU CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 93 1969  
MINIMUM TEMPERATURE (F) 76 72 2005  
1945  
 
 
SUNRISE AND SUNSET  
OCTOBER 9 2020.......SUNRISE 611 AM CHST SUNSET 605 PM CHST  
OCTOBER 10 2020.......SUNRISE 611 AM CHST SUNSET 605 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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