062  
CDGM40 PGUM 080626  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
426 PM CHST SUN OCT 08 2023  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 8 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 3:06 PM 92 1990 87 0 86  
MINIMUM 78 1:53 AM 71 1954 77 1 76  
1987  
AVERAGE 83 82 1 81  
 
PRECIPITATION (IN)  
TODAY 0.17 2.44 1951 0.45 -0.28 0.83  
MONTH TO DATE 4.49 3.74 0.75 2.08  
SINCE SEP 1 16.95 18.91 -1.96 15.82  
SINCE JAN 1 115.43 75.54 39.89 60.05  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE SEP 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 SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 18 17 1 16  
MONTH TO DATE 136 136 0 131  
SINCE SEP 1 645 638 7 622  
SINCE JAN 1 4631 4766 -135 4634    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 11.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 1:00 AM  
LOWEST 70 3:00 PM  
AVERAGE 82  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 1967  
1984  
MINIMUM TEMPERATURE (F) 77 71 1952  
 
SUNRISE AND SUNSET  
OCTOBER 8 2023.......SUNRISE 6:11 AM CHST SUNSET 6:06 PM CHST  
OCTOBER 9 2023.......SUNRISE 6:11 AM CHST SUNSET 6:06 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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