476  
CDGM40 PGUM 030645  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
445 PM CHST FRI SEP 03 2021  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 3 2021...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 87 1430 92 1985 87 0 90  
MINIMUM 79 0520 70 1992 76 3 79  
AVERAGE 83 82 1 85  
 
PRECIPITATION (IN)  
TODAY 0.09 6.16 1990 0.54 -0.38 0.43  
MONTH TO DATE 0.60 1.61 -0.94 0.56  
SINCE SEP 1 0.60 1.61 -0.94 0.56  
SINCE JAN 1 47.86 58.24 -10.31 43.64  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE SEP 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 SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 18 16 2 20  
MONTH TO DATE 54 48 6 55  
SINCE SEP 1 54 48 6 55  
SINCE JAN 1 4303 4114 189 4426    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION E (100)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (090)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (090)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 2:00 AM  
LOWEST 75 12:00 PM  
AVERAGE 85  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 1985  
MINIMUM TEMPERATURE (F) 76 72 1966  
 
SUNRISE AND SUNSET  
SEPTEMBER 3 2021.....SUNRISE 6:10 AM CHST SUNSET 6:31 PM CHST  
SEPTEMBER 4 2021.....SUNRISE 6:10 AM CHST SUNSET 6:30 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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