719  
CDGM40 PGUM 091605  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
205 AM CHST TUE DEC 10 2024  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 9 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 86 11:45 AM 90 2018 87 -1 87  
MINIMUM 76 5:59 AM 71 1972 77 -1 75  
AVERAGE 81 82 -1 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.61 1958 0.18 -0.18 0.20  
MONTH TO DATE 1.75 1.77 -0.02 1.76  
SINCE DEC 1 1.75 1.77 -0.02 1.76  
SINCE JAN 1 97.40 94.59 2.81 136.02  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE DEC 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 DEC 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 16 17 -1 16  
MONTH TO DATE 154 153 1 151  
SINCE DEC 1 154 153 1 151  
SINCE JAN 1 5790 5837 -47 5689    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 6:00 AM  
LOWEST 63 3:00 PM  
AVERAGE 79  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 90 1984  
MINIMUM TEMPERATURE (F) 77 73 1945  
2019  
 
SUNRISE AND SUNSET  
DECEMBER 10 2024......SUNRISE 6:33 AM CHST SUNSET 5:54 PM CHST  
DECEMBER 11 2024......SUNRISE 6:34 AM CHST SUNSET 5:55 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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