883  
CDGM40 PGUM 171835  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN, GUAM  
425 AM CHST SAT AUG 18 2018  
 
   
...............................
 
 
 
...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR AUGUST 17 2018...  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1945 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 90 1245 PM 91 1969 87 3 90  
1966  
1964  
MINIMUM 80 421 AM 73 1990 76 4 78  
1979  
AVERAGE 85 81 4 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 3.09 2003 0.57 -0.53 0.12  
MONTH TO DATE 10.24 8.96 1.28 3.37  
SINCE JUN 1 30.50 28.19 2.31 21.63  
SINCE JAN 1 51.70 48.33 3.37 48.70  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE JUN 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 JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 20 16 4 19  
MONTH TO DATE 307 272 35 320  
SINCE JUN 1 1465 1323 142 1474  
SINCE JAN 1 4226 3751 475 4147    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 10.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 100 AM  
LOWEST 75 1100 AM  
AVERAGE 88  
   
......................................................
 
 
 
THE GUAM INTERNATIONAL AIRPORT GU CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 1992  
MINIMUM TEMPERATURE (F) 76 71 1990  
 
 
SUNRISE AND SUNSET  
AUGUST 18 2018........SUNRISE 608 AM CHST SUNSET 641 PM CHST  
AUGUST 19 2018........SUNRISE 608 AM CHST SUNSET 640 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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