429  
CDGM40 PGUM 270627  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
427 PM CHST SUN AUG 27 2023  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR AUGUST 27 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 87 12:29 PM 92 1966 87 0 86  
1971  
MINIMUM 77 5:41 AM 72 1951 76 1 75  
1984  
2004  
AVERAGE 82 82 0 81  
 
PRECIPITATION (IN)  
TODAY 0.33 3.80 2020 0.58 -0.25 0.06  
MONTH TO DATE 14.16 15.38 -1.22 7.28  
SINCE JUN 1 31.85 34.14 -2.29 25.87  
SINCE JAN 1 93.17 54.35 38.82 42.36  
 
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 16  
MONTH TO DATE 457 459 -2 438  
SINCE JUN 1 1501 1553 -52 1467  
SINCE JAN 1 3922 4065 -143 3949    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 11.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 6:00 AM  
LOWEST 70 12:00 PM  
AVERAGE 82  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 91 1988  
1991  
2019  
MINIMUM TEMPERATURE (F) 76 73 1953  
1968  
 
SUNRISE AND SUNSET  
AUGUST 27 2023........SUNRISE 6:09 AM CHST SUNSET 6:36 PM CHST  
AUGUST 28 2023........SUNRISE 6:09 AM CHST SUNSET 6:35 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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