929  
CDGM40 PGUM 161836  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN, GUAM  
426 AM CHST THU JAN 17 2019  
 
   
...............................
 
 
 
...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR JANUARY 16 2019...  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1945 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 87 1222 PM 89 1989 85 2 88  
1986  
1984  
MINIMUM 77 855 AM 70 1996 76 1 79  
1973  
1966  
AVERAGE 82 80 2 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 1.09 2012 0.16 -0.10 0.02  
MONTH TO DATE 0.63 2.78 -2.15 0.38  
SINCE DEC 1 8.38 8.76 -0.38 4.87  
SINCE JAN 1 0.63 2.78 -2.15 0.38  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE DEC 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 DEC 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 17 15 2 19  
MONTH TO DATE 278 243 35 284  
SINCE DEC 1 877 745 132 850  
SINCE JAN 1 278 243 35 284    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION NE (50)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 15.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 900 PM  
LOWEST 68 1200 PM  
AVERAGE 84  
   
......................................................
 
 
 
THE GUAM INTERNATIONAL AIRPORT GU CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 90 1964  
MINIMUM TEMPERATURE (F) 75 68 2000  
 
 
SUNRISE AND SUNSET  
JANUARY 17 2019.......SUNRISE 648 AM CHST SUNSET 614 PM CHST  
JANUARY 18 2019.......SUNRISE 648 AM CHST SUNSET 614 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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