680  
CDGM40 PGUM 071605  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
205 AM CHST SUN AUG 08 2021  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR AUGUST 7 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 88 11:54 AM 92 1984 87 1 89  
1990  
1991  
MINIMUM 75 3:56 PM 73 1951 76 -1 80  
2019  
AVERAGE 82 82 0 85  
 
PRECIPITATION (IN)  
YESTERDAY 1.15 4.73 2012 0.55 0.60 0.03  
MONTH TO DATE 6.46 3.73 2.73 0.80  
SINCE JUN 1 20.30 22.49 -2.19 12.46  
SINCE JAN 1 38.28 42.70 -4.42 31.20  
 
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 17 17 0 20  
MONTH TO DATE 122 119 3 139  
SINCE JUN 1 1269 1197 72 1325  
SINCE JAN 1 3842 3672 170 3945    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SE (120)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 9.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 4:00 AM  
LOWEST 80 11:00 AM  
AVERAGE 90  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 93 1991  
MINIMUM TEMPERATURE (F) 76 71 1967  
 
SUNRISE AND SUNSET  
AUGUST 8 2021........SUNRISE 6:07 AM CHST SUNSET 6:46 PM CHST  
AUGUST 9 2021........SUNRISE 6:07 AM CHST SUNSET 6:45 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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