270  
CDGM40 PGUM 051601  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
201 AM CHST FRI AUG 06 2021  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR AUGUST 5 2021...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1945 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 90 1:42 PM 92 1981 87 3 89  
MINIMUM 78 4:33 AM 71 1950 76 2 81  
AVERAGE 84 82 2 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 4.39 2004 0.52 -0.52 0.17  
MONTH TO DATE 4.64 2.64 2.00 0.73  
SINCE JUN 1 18.48 21.40 -2.92 12.39  
SINCE JAN 1 36.46 41.61 -5.15 31.13  
 
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 20  
MONTH TO DATE 87 85 2 100  
SINCE JUN 1 1234 1163 71 1286  
SINCE JAN 1 3807 3638 169 3906    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION N (20)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 5.1  
 
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 88 2:00 AM  
LOWEST 56 4:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 94 1994  
MINIMUM TEMPERATURE (F) 76 71 1950  
 
SUNRISE AND SUNSET  
AUGUST 6 2021........SUNRISE 6:07 AM CHST SUNSET 6:47 PM CHST  
AUGUST 7 2021........SUNRISE 6:07 AM CHST SUNSET 6:46 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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