245  
CDGM40 PGUM 091602  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
202 AM CHST TUE OCT 10 2023  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 9 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 90 12:13 PM 92 1967 87 3 83  
1984  
MINIMUM 77 11:59 PM 71 1952 77 0 75  
AVERAGE 84 82 2 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 4.20 1979 0.45 -0.39 0.70  
MONTH TO DATE 4.57 4.19 0.38 2.78  
SINCE SEP 1 17.03 19.36 -2.33 16.52  
SINCE JAN 1 115.51 75.99 39.52 60.75  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE SEP 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH MM  
 
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 19 17 2 14  
MONTH TO DATE 155 153 2 145  
SINCE SEP 1 664 655 9 636  
SINCE JAN 1 4650 4783 -133 4648    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION NE (50)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 12.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91 12:00 AM  
LOWEST 60 1:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 93 1969  
MINIMUM TEMPERATURE (F) 77 72 1945  
2005  
 
SUNRISE AND SUNSET  
OCTOBER 10 2023.......SUNRISE 6:11 AM CHST SUNSET 6:05 PM CHST  
OCTOBER 11 2023.......SUNRISE 6:11 AM CHST SUNSET 6:04 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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