989  
CDGM40 PGUM 171612  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
212 AM CHST THU JAN 18 2024  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JANUARY 17 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 82 11:13 AM 90 1964 86 -4 85  
MINIMUM 73 3:31 AM 68 2000 75 -2 75  
AVERAGE 78 81 -3 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.19 0.91 1997 0.18 0.01 0.30  
MONTH TO DATE 1.01 3.02 -2.01 13.40  
SINCE DEC 1 6.50 8.32 -1.82 22.72  
SINCE JAN 1 1.01 3.02 -2.01 13.40  
 
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 13 16 -3 15  
MONTH TO DATE 277 272 5 253  
SINCE DEC 1 793 793 0 766  
SINCE JAN 1 277 272 5 253    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 17 RESULTANT WIND DIRECTION NE (40)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 16.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 4:00 AM  
LOWEST 74 9:00 AM  
AVERAGE 84  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 89 1964  
1972  
1985  
MINIMUM TEMPERATURE (F) 75 66 2000  
 
SUNRISE AND SUNSET  
JANUARY 18 2024.......SUNRISE 6:48 AM CHST SUNSET 6:14 PM CHST  
JANUARY 19 2024.......SUNRISE 6:48 AM CHST SUNSET 6:15 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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