516  
CDGM40 PGUM 111604  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
204 AM CHST THU SEP 12 2024  
   
...............................  
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 11 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 84 12:54 PM 93 2016 87 -3 85  
MINIMUM 75 6:33 AM 72 1950 76 -1 77  
1955  
AVERAGE 80 82 -2 81  
 
PRECIPITATION (IN)  
YESTERDAY 6.01R 2.03 1961 0.51 5.50 0.19  
MONTH TO DATE 9.36 5.85 3.51 5.79  
SINCE SEP 1 9.36 5.85 3.51 5.79  
SINCE JAN 1 56.58 62.48 -5.90 104.01  
 
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 15 17 -2 16  
MONTH TO DATE 190 187 3 190  
SINCE SEP 1 190 187 3 190  
SINCE JAN 1 4288 4315 -27 4177    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 18 RESULTANT WIND DIRECTION SE (150)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 49 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 19.2  
 
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 4:00 AM  
LOWEST 85 11:00 AM  
AVERAGE 93  
   
......................................................  
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 1969  
MINIMUM TEMPERATURE (F) 76 70 1995  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2024.....SUNRISE 6:10 AM CHST SUNSET 6:24 PM CHST  
SEPTEMBER 13 2024.....SUNRISE 6:10 AM CHST SUNSET 6:23 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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