902  
CDGM40 PGUM 081604  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
204 AM CHST MON SEP 09 2024  
   
...............................  
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 8 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 89 3:50 PM 91 1985 87 2 84  
1988  
1992  
MINIMUM 77 5:43 AM 71 1952 76 1 75  
AVERAGE 83 82 1 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.07 3.94 1966 0.53 -0.46 2.09  
MONTH TO DATE 1.17 4.29 -3.12 4.51  
SINCE SEP 1 1.17 4.29 -3.12 4.51  
SINCE JAN 1 48.39 60.92 -12.53 102.73  
 
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 15  
MONTH TO DATE 142 136 6 139  
SINCE SEP 1 142 136 6 139  
SINCE JAN 1 4240 4264 -24 4126    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION NE (60)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 3:00 AM  
LOWEST 64 4:00 PM  
AVERAGE 79  
   
......................................................  
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 91 1988  
1992  
1994  
MINIMUM TEMPERATURE (F) 76 71 1952  
1989  
 
SUNRISE AND SUNSET  
SEPTEMBER 9 2024.....SUNRISE 6:10 AM CHST SUNSET 6:26 PM CHST  
SEPTEMBER 10 2024.....SUNRISE 6:10 AM CHST SUNSET 6:26 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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