837  
CDGM40 PGUM 081614  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
214 AM CHST SAT SEP 09 2023  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 8 2023...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1945 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 84 11:25 AM 91 1985 87 -3 88  
1988  
1992  
MINIMUM 75 1:26 PM 71 1952 76 -1 77  
AVERAGE 80 82 -2 83  
 
PRECIPITATION (IN)  
YESTERDAY 2.09 3.94 1966 0.53 1.56 0.25  
MONTH TO DATE 4.51 4.29 0.22 1.65  
SINCE SEP 1 4.51 4.29 0.22 1.65  
SINCE JAN 1 102.99 60.92 42.07 45.88  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE SEP 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 SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 15 17 -2 18  
MONTH TO DATE 139 136 3 138  
SINCE SEP 1 139 136 3 138  
SINCE JAN 1 4125 4264 -139 4150    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 5:00 AM  
LOWEST 82 9:00 AM  
AVERAGE 89  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 91 1988  
1992  
1994  
MINIMUM TEMPERATURE (F) 76 71 1952  
1989  
 
SUNRISE AND SUNSET  
SEPTEMBER 9 2023.....SUNRISE 6:10 AM CHST SUNSET 6:27 PM CHST  
SEPTEMBER 10 2023.....SUNRISE 6:10 AM CHST SUNSET 6:26 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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