035  
CDGM40 PGUM 291602  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
202 AM CHST MON SEP 30 2024  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 29 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 88 1:42 PM 91 1971 87 1 84  
1988  
1992  
MINIMUM 78 5:13 AM 71 1985 76 2 77  
AVERAGE 83 82 1 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 2.92 1962 0.48 -0.46 0.43  
MONTH TO DATE 24.37 14.70 9.67 11.83  
SINCE SEP 1 24.37 14.70 9.67 11.83  
SINCE JAN 1 71.59 71.33 0.26 110.05  
 
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 18 17 1 16  
MONTH TO DATE 495 493 2 491  
SINCE SEP 1 495 493 2 491  
SINCE JAN 1 4593 4621 -28 4478    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 8.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 2:00 AM  
LOWEST 59 1:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 93 1981  
MINIMUM TEMPERATURE (F) 76 72 1949  
1975  
2019  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2024.....SUNRISE 6:10 AM CHST SUNSET 6:11 PM CHST  
OCTOBER 1 2024.......SUNRISE 6:10 AM CHST SUNSET 6:10 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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