954  
CDGM40 PGUM 191619  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
219 AM CHST TUE AUG 20 2024  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR AUGUST 19 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 1:53 PM 91 1969 87 2 87  
1988  
MINIMUM 79 3:34 AM 71 1964 77 2 79  
AVERAGE 84 82 2 83  
 
PRECIPITATION (IN)  
YESTERDAY T 3.85 1985 0.57 -0.57 0.00  
MONTH TO DATE 8.31 10.88 -2.57 10.72  
SINCE JUN 1 23.82 29.64 -5.82 28.41  
SINCE JAN 1 40.69 49.85 -9.16 89.47  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE JUN 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 JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 19 17 2 18  
MONTH TO DATE 328 323 5 317  
SINCE JUN 1 1405 1417 -12 1361  
SINCE JAN 1 3886 3929 -43 3783    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION E (100)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 2:00 AM  
LOWEST 65 2:00 PM  
AVERAGE 80  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 1981  
MINIMUM TEMPERATURE (F) 77 71 1960  
 
SUNRISE AND SUNSET  
AUGUST 20 2024........SUNRISE 6:09 AM CHST SUNSET 6:40 PM CHST  
AUGUST 21 2024........SUNRISE 6:09 AM CHST SUNSET 6:39 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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