928  
CDGM40 PGUM 190642  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN, GUAM  
432 PM CHST FRI OCT 19 2018  
 
   
...............................
 
 
 
...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR OCTOBER 19 2018...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 88 125 PM 91 1992 87 1 88  
1991  
1988  
MINIMUM 77 1228 AM 70 1994 77 0 78  
AVERAGE 83 82 1 83  
 
PRECIPITATION (IN)  
TODAY 0.35 4.73 1977 0.37 -0.02 T  
MONTH TO DATE 4.92 7.57 -2.65 17.22  
SINCE SEP 1 28.09 21.74 6.35 32.14  
SINCE JAN 1 91.44 78.26 13.18 87.20  
 
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 18  
MONTH TO DATE 361 323 38 310  
SINCE SEP 1 903 816 87 840  
SINCE JAN 1 5379 4803 576 5222    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION N (0)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 7.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 80 1200 PM  
AVERAGE 90  
   
......................................................
 
 
 
THE GUAM INTERNATIONAL AIRPORT GU CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 91 2014  
1988  
1970  
MINIMUM TEMPERATURE (F) 77 73 2002  
1965  
 
 
SUNRISE AND SUNSET  
OCTOBER 19 2018.......SUNRISE 612 AM CHST SUNSET 600 PM CHST  
OCTOBER 20 2018.......SUNRISE 612 AM CHST SUNSET 559 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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