901  
CDGM40 PGUM 151608  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
208 AM CHST MON SEP 16 2024  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 15 2024...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1945 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 85 12:46 PM 91 1969 87 -2 90  
1983  
1984  
MINIMUM 76 3:45 AM 71 1956 76 0 78  
AVERAGE 81 82 -1 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.64 8.20 2019 0.50 0.14 0.03  
MONTH TO DATE 15.41 7.83 7.58 6.15  
SINCE SEP 1 15.41 7.83 7.58 6.15  
SINCE JAN 1 62.63 64.46 -1.83 104.37  
 
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 16 17 -1 19  
MONTH TO DATE 253 255 -2 259  
SINCE SEP 1 253 255 -2 259  
SINCE JAN 1 4351 4383 -32 4246    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SE (140)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 7:00 AM  
LOWEST 80 2:00 PM  
AVERAGE 90  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 91 1983  
1984  
2016  
MINIMUM TEMPERATURE (F) 76 71 1996  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2024.....SUNRISE 6:10 AM CHST SUNSET 6:21 PM CHST  
SEPTEMBER 17 2024.....SUNRISE 6:10 AM CHST SUNSET 6:21 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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