875  
CDGM40 PGUM 010640  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
440 PM CHST FRI SEP 01 2023  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 1 2023...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 85 1:06 PM 93 1987 87 -2 87  
MINIMUM 76 6:37 AM 73 1957 76 0 74  
2010  
AVERAGE 81 82 -1 81  
 
PRECIPITATION (IN)  
TODAY 0.19 2.77 1954 0.53 -0.34 0.01  
MONTH TO DATE 0.19 0.53 -0.34 0.01  
SINCE SEP 1 0.19 0.53 -0.34 0.01  
SINCE JAN 1 98.67 57.16 41.51 44.24  
 
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 16 17 -1 16  
MONTH TO DATE 16 17 -1 16  
SINCE SEP 1 16 17 -1 16  
SINCE JAN 1 4003 4145 -142 4028    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 4.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 8:00 AM  
LOWEST 72 1:00 PM  
AVERAGE 84  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 91 1987  
1988  
2016  
MINIMUM TEMPERATURE (F) 76 72 1966  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2023.....SUNRISE 6:09 AM CHST SUNSET 6:32 PM CHST  
SEPTEMBER 2 2023.....SUNRISE 6:09 AM CHST SUNSET 6:32 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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