503  
CDGM40 PGUM 210704  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
504 PM CHST WED AUG 21 2024  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR AUGUST 21 2024...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 84 11:02 AM 91 1969 87 -3 86  
1971  
MINIMUM 77 2:33 AM 71 1960 77 0 77  
1991  
AVERAGE 81 82 -1 82  
 
PRECIPITATION (IN)  
TODAY 0.54 5.02 1976 0.55 -0.01 1.49  
MONTH TO DATE 10.62 12.00 -1.38 12.29  
SINCE JUN 1 26.13 30.76 -4.63 29.98  
SINCE JAN 1 43.00 50.97 -7.97 91.04  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE JUN 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 16 17 -1 17  
MONTH TO DATE 362 357 5 352  
SINCE JUN 1 1439 1451 -12 1396  
SINCE JAN 1 3920 3963 -43 3818    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED MM RESULTANT WIND DIRECTION MM  
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED MM  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER MM  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 1966  
MINIMUM TEMPERATURE (F) 77 70 1986  
 
SUNRISE AND SUNSET  
AUGUST 21 2024........SUNRISE 6:09 AM CHST SUNSET 6:39 PM CHST  
AUGUST 22 2024........SUNRISE 6:09 AM CHST SUNSET 6:38 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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