733  
CDGM40 PGUM 010059  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
1059 AM CHST MON JAN 01 2024  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 31 2023...  
 
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)  
YESTERDAY  
MAXIMUM 85 1:30 PM 90 1988 86 -1 85  
MINIMUM 74 10:16 PM 68 1962 76 -2 77  
AVERAGE 80 81 -1 81  
 
PRECIPITATION (IN)  
YESTERDAY 1.37 3.17 1952 0.17 1.20 1.08  
MONTH TO DATE 5.49 5.30 0.19 9.32  
SINCE DEC 1 5.49 5.30 0.19 9.32  
SINCE JAN 1 139.75 98.12 41.63 90.07  
 
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 15 16 -1 16  
MONTH TO DATE 516 521 -5 513  
SINCE DEC 1 516 521 -5 513  
SINCE JAN 1 6054 6205 -151 6018    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 16 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 16.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 10:00 PM  
LOWEST 72 1:00 PM  
AVERAGE 86  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 90 1971  
1989  
MINIMUM TEMPERATURE (F) 76 70 1973  
 
SUNRISE AND SUNSET  
JANUARY 1 2024.......SUNRISE 6:43 AM CHST SUNSET 6:04 PM CHST  
JANUARY 2 2024.......SUNRISE 6:44 AM CHST SUNSET 6:05 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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