227  
CDGM40 PGUM 111622  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
222 AM CHST THU DEC 12 2024  
   
...............................  
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 11 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 85 1:25 PM 91 2018 87 -2 87  
MINIMUM 76 5:33 AM 71 1964 77 -1 76  
AVERAGE 81 82 -1 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 1.28 1964 0.18 -0.09 0.19  
MONTH TO DATE 1.84 2.13 -0.29 2.21  
SINCE DEC 1 1.84 2.13 -0.29 2.21  
SINCE JAN 1 97.49 94.95 2.54 136.47  
 
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 17  
MONTH TO DATE 186 187 -1 185  
SINCE DEC 1 186 187 -1 185  
SINCE JAN 1 5822 5871 -49 5723    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 9.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 11:00 AM  
LOWEST 75 10:00 AM  
AVERAGE 85  
   
......................................................  
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 91 1984  
MINIMUM TEMPERATURE (F) 77 70 1962  
1969  
 
SUNRISE AND SUNSET  
DECEMBER 12 2024......SUNRISE 6:34 AM CHST SUNSET 5:55 PM CHST  
DECEMBER 13 2024......SUNRISE 6:35 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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