687  
CDGM40 PGUM 150655  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN, GUAM  
445 PM CHST SAT AUG 15 2020  
 
   
...............................
 
 
 
...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR AUGUST 15 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 88 1201 PM 91 1966 87 1 79  
MINIMUM 77 621 AM 70 1989 76 1 76  
AVERAGE 83 81 2 78  
 
PRECIPITATION (IN)  
TODAY 0.03 9.64 2015 0.56 -0.53 0.77  
MONTH TO DATE 2.43 7.83 -5.40 12.28  
SINCE JUN 1 14.09 27.06 -12.97 19.76  
SINCE JAN 1 32.83 47.20 -14.37 35.47  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE JUN 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0  
MONTH TO DATE 0  
SINCE JUN 1 0  
SINCE JUL 1 0  
 
COOLING  
TODAY 18 16 2 13  
MONTH TO DATE 286 240 46 249  
SINCE JUN 1 1472 1291 181 1444  
SINCE JAN 1 4092 3719 373 4044    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 2.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 700 AM  
LOWEST 74 1100 AM  
AVERAGE 84  
   
......................................................
 
 
 
THE GUAM INTERNATIONAL AIRPORT GU CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 91 1966  
MINIMUM TEMPERATURE (F) 76 70 1949  
 
 
SUNRISE AND SUNSET  
AUGUST 15 2020........SUNRISE 608 AM CHST SUNSET 642 PM CHST  
AUGUST 16 2020........SUNRISE 608 AM CHST SUNSET 642 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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