675  
CDGM40 PGUM 040631  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
431 PM CHST SAT SEP 04 2021  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 4 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 86 10:16 AM 92 1985 87 -1 88  
MINIMUM 77 12:34 PM 72 1966 76 1 79  
AVERAGE 82 82 0 84  
 
PRECIPITATION (IN)  
TODAY 0.67 3.75 1987 0.54 0.13 0.43  
MONTH TO DATE 1.38 2.15 -0.77 0.99  
SINCE SEP 1 1.38 2.15 -0.77 0.99  
SINCE JAN 1 48.64 58.78 -10.14 44.07  
 
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 17 16 1 19  
MONTH TO DATE 71 64 7 74  
SINCE SEP 1 71 64 7 74  
SINCE JAN 1 4320 4130 190 4445    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SE (120)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 7.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
MIXED PRECIP  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 2:00 PM  
LOWEST 75 10:00 AM  
AVERAGE 85  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 1983  
1984  
1987  
MINIMUM TEMPERATURE (F) 76 72 1945  
1966  
1992  
 
SUNRISE AND SUNSET  
SEPTEMBER 4 2021.....SUNRISE 6:10 AM CHST SUNSET 6:30 PM CHST  
SEPTEMBER 5 2021.....SUNRISE 6:10 AM CHST SUNSET 6:29 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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