439  
CDGM40 PGUM 281605  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
205 AM CHST TUE AUG 29 2023  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR AUGUST 28 2023...  
 
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)  
YESTERDAY  
MAXIMUM 87 12:01 PM 91 1988 87 0 87  
1991  
2019  
MINIMUM 77 2:14 AM 73 1953 76 1 76  
1968  
AVERAGE 82 82 0 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.48 4.11 1953 0.57 -0.09 0.15  
MONTH TO DATE 14.78 15.95 -1.17 7.43  
SINCE JUN 1 32.47 34.71 -2.24 26.02  
SINCE JAN 1 93.79 54.92 38.87 42.51  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE JUN 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 JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 17 17 0 17  
MONTH TO DATE 474 476 -2 455  
SINCE JUN 1 1518 1570 -52 1484  
SINCE JAN 1 3939 4082 -143 3966    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 12:00 AM  
LOWEST 68 12:00 PM  
AVERAGE 83  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 1988  
1994  
MINIMUM TEMPERATURE (F) 76 72 1953  
 
SUNRISE AND SUNSET  
AUGUST 29 2023........SUNRISE 6:09 AM CHST SUNSET 6:34 PM CHST  
AUGUST 30 2023........SUNRISE 6:09 AM CHST SUNSET 6:34 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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