869  
CDGM40 PGUM 150643  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
443 PM CHST TUE AUG 15 2023  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR AUGUST 15 2023...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1945 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 89 3:10 PM 91 1966 87 2 87  
MINIMUM 75 4:17 AM 70 1989 77 -2 79  
AVERAGE 82 82 0 83  
 
PRECIPITATION (IN)  
TODAY 0.00 9.64 2015 0.61 -0.61 0.02  
MONTH TO DATE 10.41 8.51 1.90 1.20  
SINCE JUN 1 28.10 27.27 0.83 19.79  
SINCE JAN 1 89.42 47.48 41.94 36.28  
 
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 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  
TODAY 17 17 0 18  
MONTH TO DATE 249 255 -6 256  
SINCE JUN 1 1293 1349 -56 1285  
SINCE JAN 1 3714 3861 -147 3767    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 5.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 12:00 AM  
LOWEST 68 3:00 PM  
AVERAGE 81  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 91 1966  
MINIMUM TEMPERATURE (F) 77 70 1949  
 
SUNRISE AND SUNSET  
AUGUST 15 2023........SUNRISE 6:08 AM CHST SUNSET 6:43 PM CHST  
AUGUST 16 2023........SUNRISE 6:08 AM CHST SUNSET 6:42 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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