832  
CDGM40 PGUM 180634  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
434 PM CHST WED DEC 18 2024  
   
...............................  
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 18 2024...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 84 9:31 AM 90 2014 87 -3 85  
2018  
MINIMUM 75 2:42 AM 71 1985 77 -2 77  
AVERAGE 80 82 -2 81  
 
PRECIPITATION (IN)  
TODAY 0.13 1.27 1962 0.16 -0.03 0.26  
MONTH TO DATE 2.31 3.24 -0.93 2.70  
SINCE DEC 1 2.31 3.24 -0.93 2.70  
SINCE JAN 1 97.96 96.06 1.90 136.96  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE DEC 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 15 17 -2 16  
MONTH TO DATE 301 306 -5 304  
SINCE DEC 1 301 306 -5 304  
SINCE JAN 1 5937 5990 -53 5842    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED MM RESULTANT WIND DIRECTION MM  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED MM  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER MM  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................  
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 90 1988  
MINIMUM TEMPERATURE (F) 77 71 1963  
 
SUNRISE AND SUNSET  
DECEMBER 18 2024......SUNRISE 6:37 AM CHST SUNSET 5:57 PM CHST  
DECEMBER 19 2024......SUNRISE 6:38 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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