001  
CDGM40 PGUM 121606  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
206 AM CHST FRI OCT 13 2023  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 12 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 1:21 PM 92 1969 87 0 86  
MINIMUM 79 6:27 AM 73 2005 77 2 76  
AVERAGE 83 82 1 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.25 5.52 1963 0.43 -0.18 0.41  
MONTH TO DATE 9.40 5.49 3.91 7.92  
SINCE SEP 1 21.86 20.66 1.20 21.66  
SINCE JAN 1 120.34 77.29 43.05 65.89  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE SEP 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 SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 18 17 1 16  
MONTH TO DATE 206 204 2 187  
SINCE SEP 1 715 706 9 678  
SINCE JAN 1 4701 4834 -133 4690    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 11.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 3:00 AM  
LOWEST 68 12:00 PM  
AVERAGE 83  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 91 1971  
1984  
1990  
MINIMUM TEMPERATURE (F) 77 74 2017  
2019  
2022  
 
SUNRISE AND SUNSET  
OCTOBER 13 2023.......SUNRISE 6:11 AM CHST SUNSET 6:03 PM CHST  
OCTOBER 14 2023.......SUNRISE 6:11 AM CHST SUNSET 6:03 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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