458  
CDGM40 PGUM 071613  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
213 AM CHST FRI SEP 08 2023  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 7 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 87 4:31 PM 93 1983 87 0 88  
MINIMUM 76 6:06 AM 73 1950 76 0 78  
1954  
2000  
AVERAGE 82 82 0 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.73 9.28 1950 0.53 0.20 0.00  
MONTH TO DATE 2.42 3.76 -1.34 1.40  
SINCE SEP 1 2.42 3.76 -1.34 1.40  
SINCE JAN 1 100.90 60.39 40.51 45.63  
 
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 17 17 0 18  
MONTH TO DATE 124 119 5 120  
SINCE SEP 1 124 119 5 120  
SINCE JAN 1 4110 4247 -137 4132    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 3.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 12:00 AM  
LOWEST 75 4:00 PM  
AVERAGE 85  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 91 1985  
1988  
1992  
MINIMUM TEMPERATURE (F) 76 71 1952  
 
SUNRISE AND SUNSET  
SEPTEMBER 8 2023.....SUNRISE 6:10 AM CHST SUNSET 6:28 PM CHST  
SEPTEMBER 9 2023.....SUNRISE 6:10 AM CHST SUNSET 6:27 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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