944  
CDGM40 PGUM 171609  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
209 AM CHST FRI OCT 18 2024  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 17 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 12:52 PM 92 1986 87 -3 86  
MINIMUM 74 3:27 PM 70 1966 77 -3 78  
AVERAGE 79 82 -3 82  
 
PRECIPITATION (IN)  
YESTERDAY 1.27 3.83 2015 0.41 0.86 0.02  
MONTH TO DATE 8.56 7.57 0.99 15.06  
SINCE SEP 1 32.94 22.74 10.20 27.52  
SINCE JAN 1 80.16 79.37 0.79 125.74  
 
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 17  
MONTH TO DATE 285 289 -4 281  
SINCE SEP 1 799 791 8 790  
SINCE JAN 1 4897 4919 -22 4777    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 3.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 4:00 AM  
LOWEST 75 1:00 PM  
AVERAGE 86  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 1989  
MINIMUM TEMPERATURE (F) 77 73 1967  
1969  
1995  
 
SUNRISE AND SUNSET  
OCTOBER 18 2024.......SUNRISE 6:12 AM CHST SUNSET 6:00 PM CHST  
OCTOBER 19 2024.......SUNRISE 6:12 AM CHST SUNSET 5:59 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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