409  
CDGM40 PGUM 050629  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
429 PM CHST SUN SEP 05 2021  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 5 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 2:23 PM 92 1983 87 0 88  
1984  
1987  
MINIMUM 77 7:12 AM 72 1945 76 1 79  
1966  
1992  
AVERAGE 82 82 0 84  
 
PRECIPITATION (IN)  
TODAY 0.11 3.19 2003 0.53 -0.42 T  
MONTH TO DATE 1.50 2.68 -1.12 0.99  
SINCE SEP 1 1.50 2.68 -1.12 0.99  
SINCE JAN 1 48.76 59.31 -10.49 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 88 80 8 93  
SINCE SEP 1 88 80 8 93  
SINCE JAN 1 4337 4146 191 4464    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION E (100)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 10.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 2:00 AM  
LOWEST 70 1:00 PM  
AVERAGE 80  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 94 2016  
MINIMUM TEMPERATURE (F) 76 72 1945  
1954  
 
SUNRISE AND SUNSET  
SEPTEMBER 5 2021.....SUNRISE 6:10 AM CHST SUNSET 6:29 PM CHST  
SEPTEMBER 6 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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