082  
CDGM40 PGUM 271607  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
207 AM CHST SAT SEP 28 2024  
   
...............................  
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 27 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 88 11:42 AM 91 1964 87 1 82  
1986  
2016  
MINIMUM 77 4:30 AM 73 1956 76 1 76  
AVERAGE 83 82 1 79  
 
PRECIPITATION (IN)  
YESTERDAY T 3.45 1985 0.48 -0.48 0.62  
MONTH TO DATE 24.35 13.74 10.61 11.33  
SINCE SEP 1 24.35 13.74 10.61 11.33  
SINCE JAN 1 71.57 70.37 1.20 109.55  
 
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 18 17 1 14  
MONTH TO DATE 459 459 0 458  
SINCE SEP 1 459 459 0 458  
SINCE JAN 1 4557 4587 -30 4445    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 3:00 AM  
LOWEST 68 12:00 PM  
AVERAGE 81  
   
......................................................  
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 1982  
1988  
MINIMUM TEMPERATURE (F) 76 71 1990  
 
SUNRISE AND SUNSET  
SEPTEMBER 28 2024.....SUNRISE 6:10 AM CHST SUNSET 6:13 PM CHST  
SEPTEMBER 29 2024.....SUNRISE 6:10 AM CHST SUNSET 6:12 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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