871  
CDGM40 PGUM 011612  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
212 AM CHST MON AUG 02 2021  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR AUGUST 1 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 2:27 PM 92 1983 87 1 89  
MINIMUM 78 11:46 PM 71 1969 76 2 82  
AVERAGE 83 82 1 86  
 
PRECIPITATION (IN)  
YESTERDAY 0.93 4.01 2009 0.52 0.41 0.01  
MONTH TO DATE 0.93 0.52 0.41 0.01  
SINCE JUN 1 14.77 19.28 -4.51 11.67  
SINCE JAN 1 32.75 39.49 -6.74 30.41  
 
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 18 17 1 21  
MONTH TO DATE 18 17 1 21  
SINCE JUN 1 1165 1095 70 1207  
SINCE JAN 1 3738 3570 168 3827    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 11:00 PM  
LOWEST 72 5:00 PM  
AVERAGE 80  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 93 1994  
MINIMUM TEMPERATURE (F) 76 73 1952  
1996  
 
SUNRISE AND SUNSET  
AUGUST 2 2021........SUNRISE 6:06 AM CHST SUNSET 6:48 PM CHST  
AUGUST 3 2021........SUNRISE 6:06 AM CHST SUNSET 6:48 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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