333  
CDGM40 PGUM 100634  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
434 PM CHST TUE OCT 10 2023  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 10 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 82 11:22 AM 93 1969 87 -5 85  
MINIMUM 76 4:37 PM 72 1945 77 -1 75  
2005  
AVERAGE 79 82 -3 80  
 
PRECIPITATION (IN)  
TODAY 2.13 4.63 1979 0.44 1.69 0.10  
MONTH TO DATE 6.70 4.63 2.07 2.88  
SINCE SEP 1 19.16 19.80 -0.64 16.62  
SINCE JAN 1 117.64 76.43 41.21 60.85  
 
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 14 17 -3 15  
MONTH TO DATE 169 170 -1 160  
SINCE SEP 1 678 672 6 651  
SINCE JAN 1 4664 4800 -136 4663    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 15.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 3:00 PM  
LOWEST 85 8:00 AM  
AVERAGE 91  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 1962  
1969  
MINIMUM TEMPERATURE (F) 77 73 2012  
2013  
2022  
 
SUNRISE AND SUNSET  
OCTOBER 10 2023.......SUNRISE 6:11 AM CHST SUNSET 6:05 PM CHST  
OCTOBER 11 2023.......SUNRISE 6:11 AM CHST SUNSET 6:04 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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