511  
CDGM40 PGUM 190629  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
429 PM CHST TUE DEC 19 2023  
   
...............................  
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 19 2023...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1945 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 86 10:39 AM 90 1988 87 -1 86  
MINIMUM 80 2:59 AM 71 1963 77 3 77  
AVERAGE 83 82 1 82  
 
PRECIPITATION (IN)  
TODAY 0.05 2.82 1969 0.15 -0.10 0.18  
MONTH TO DATE 2.75 3.39 -0.64 4.03  
SINCE DEC 1 2.75 3.39 -0.64 4.03  
SINCE JAN 1 137.27 96.21 41.06 84.78  
 
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 18 17 1 17  
MONTH TO DATE 325 323 2 325  
SINCE DEC 1 325 323 2 325  
SINCE JAN 1 5862 6007 -145 5830    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 12.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 7:00 AM  
LOWEST 70 11:00 AM  
AVERAGE 79  
   
......................................................  
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 90 1988  
2014  
MINIMUM TEMPERATURE (F) 77 71 1963  
 
SUNRISE AND SUNSET  
DECEMBER 19 2023......SUNRISE 6:37 AM CHST SUNSET 5:58 PM CHST  
DECEMBER 20 2023......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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