232  
CDGM40 PGUM 171606  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
206 AM CHST SUN AUG 18 2024  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR AUGUST 17 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 83 5:10 PM 91 1964 87 -4 86  
1966  
1969  
MINIMUM 74 12:29 AM 73 1979 77 -3 76  
1990  
AVERAGE 79 82 -3 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.44 3.09 2003 0.60 -0.16 0.31  
MONTH TO DATE 8.13 9.72 -1.59 10.72  
SINCE JUN 1 23.64 28.48 -4.84 28.41  
SINCE JAN 1 40.51 48.69 -8.18 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 14 17 -3 16  
MONTH TO DATE 291 289 2 281  
SINCE JUN 1 1368 1383 -15 1325  
SINCE JAN 1 3849 3895 -46 3747    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 4:00 AM  
LOWEST 85 6:00 PM  
AVERAGE 91  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 1992  
MINIMUM TEMPERATURE (F) 77 71 1990  
 
SUNRISE AND SUNSET  
AUGUST 18 2024........SUNRISE 6:08 AM CHST SUNSET 6:41 PM CHST  
AUGUST 19 2024........SUNRISE 6:09 AM CHST SUNSET 6:40 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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