865  
CDGM40 PGUM 210640  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
440 PM CHST SUN JAN 21 2024  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JANUARY 21 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 11:40 AM 89 1982 86 -2 86  
1989  
2018  
MINIMUM 73 4:13 AM 68 1973 75 -2 78  
AVERAGE 79 80 -1 82  
 
PRECIPITATION (IN)  
TODAY 0.52 4.04 1996 0.17 0.35 0.00  
MONTH TO DATE 1.58 3.73 -2.15 13.46  
SINCE DEC 1 7.07 9.03 -1.96 22.78  
SINCE JAN 1 1.58 3.73 -2.15 13.46  
 
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 14 16 -2 17  
MONTH TO DATE 336 336 0 318  
SINCE DEC 1 852 857 -5 831  
SINCE JAN 1 336 336 0 318    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 16 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 16.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 3:00 AM  
LOWEST 50 11:00 AM  
AVERAGE 72  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 89 1964  
1972  
2008  
MINIMUM TEMPERATURE (F) 75 71 1973  
1987  
2003  
 
SUNRISE AND SUNSET  
JANUARY 21 2024.......SUNRISE 6:48 AM CHST SUNSET 6:16 PM CHST  
JANUARY 22 2024.......SUNRISE 6:48 AM CHST SUNSET 6:16 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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