426  
CDGM40 PGUM 260643  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN, GUAM  
433 PM CHST FRI MAY 26 2017  
 
   
...............................
 
 
 
...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR MAY 26 2017...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1945 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 90 331 PM 93 1984 88 2 91  
MINIMUM 80 613 AM 72 2003 77 3 82  
AVERAGE 85 83 2 87  
 
PRECIPITATION (IN)  
TODAY 0.01 0.81 2008 0.15 -0.14 0.01  
MONTH TO DATE 1.65 3.53 -1.88 1.09  
SINCE MAR 1 15.55 9.88 5.67 4.03  
SINCE JAN 1 26.83 19.37 7.46 10.28  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE MAR 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0  
MONTH TO DATE 0  
SINCE MAR 1 0  
SINCE JUL 1 0  
 
COOLING  
TODAY 20 18 2 22  
MONTH TO DATE 507 456 51 523  
SINCE MAR 1 1582 1450 132 1611  
SINCE JAN 1 2572 2340 232 2583    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION E (100)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 7.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 1200 AM  
LOWEST 64 1200 PM  
AVERAGE 75  
   
......................................................
 
 
 
THE GUAM INTERNATIONAL AIRPORT GU CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 93 2013  
1985  
MINIMUM TEMPERATURE (F) 78 71 2015  
 
 
SUNRISE AND SUNSET  
MAY 26 2017...........SUNRISE 553 AM CHST SUNSET 643 PM CHST  
MAY 27 2017...........SUNRISE 553 AM CHST SUNSET 643 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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