932  
CDGM40 PGUM 311615  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
215 AM CHST SAT FEB 01 2025  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JANUARY 31 2025...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1945 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 86 12:41 PM 89 1985 86 0 85  
MINIMUM 77 2:50 AM 70 1969 75 2 75  
AVERAGE 82 80 2 80  
 
PRECIPITATION (IN)  
YESTERDAY T 1.99 1963 0.16 -0.16 0.07  
MONTH TO DATE 5.35 5.34 0.01 2.38  
SINCE DEC 1 10.05 10.64 -0.59 7.87  
SINCE JAN 1 5.35 5.34 0.01 2.38  
 
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 17 15 2 15  
MONTH TO DATE 508 485 23 477  
SINCE DEC 1 1023 1006 17 993  
SINCE JAN 1 508 485 23 477    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 17 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 17.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 12:00 AM  
LOWEST 57 12:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 90 2015  
MINIMUM TEMPERATURE (F) 75 70 1968  
2012  
 
SUNRISE AND SUNSET  
FEBRUARY 1 2025......SUNRISE 6:48 AM CHST SUNSET 6:21 PM CHST  
FEBRUARY 2 2025......SUNRISE 6:47 AM CHST SUNSET 6:22 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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