740  
CDGM40 PGUM 191603  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
203 AM CHST SUN OCT 20 2024  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 19 2024...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1945 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 84 2:44 PM 91 1988 87 -3 86  
1991  
1992  
MINIMUM 74 1:47 AM 70 1994 77 -3 75  
AVERAGE 79 82 -3 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.58 4.73 1977 0.40 0.18 0.68  
MONTH TO DATE 10.18 8.37 1.81 15.79  
SINCE SEP 1 34.56 23.54 11.02 28.25  
SINCE JAN 1 81.78 80.17 1.61 126.47  
 
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 14 17 -3 16  
MONTH TO DATE 313 323 -10 312  
SINCE SEP 1 827 825 2 821  
SINCE JAN 1 4925 4953 -28 4808    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SE (130)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 7.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1:00 AM  
LOWEST 77 2:00 PM  
AVERAGE 89  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 91 1970  
1988  
2014  
MINIMUM TEMPERATURE (F) 77 73 1965  
2002  
 
SUNRISE AND SUNSET  
OCTOBER 20 2024.......SUNRISE 6:12 AM CHST SUNSET 5:59 PM CHST  
OCTOBER 21 2024.......SUNRISE 6:12 AM CHST SUNSET 5:58 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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