032  
CDGM40 PGUM 181602  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
202 AM CHST SUN JAN 19 2025  
   
...............................  
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JANUARY 18 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 85 1:10 PM 89 1964 86 -1 84  
1972  
1985  
MINIMUM 77 6:13 AM 66 2000 75 2 73  
AVERAGE 81 80 1 79  
 
PRECIPITATION (IN)  
YESTERDAY T 1.94 1963 0.18 -0.18 0.04  
MONTH TO DATE 4.86 3.20 1.66 1.05  
SINCE DEC 1 9.56 8.50 1.06 6.54  
SINCE JAN 1 4.86 3.20 1.66 1.05  
 
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 16 16 0 14  
MONTH TO DATE 294 288 6 291  
SINCE DEC 1 809 809 0 807  
SINCE JAN 1 294 288 6 291    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 8.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 9:00 PM  
LOWEST 63 1:00 PM  
AVERAGE 73  
   
......................................................  
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 90 2012  
2018  
MINIMUM TEMPERATURE (F) 75 69 2000  
 
SUNRISE AND SUNSET  
JANUARY 19 2025.......SUNRISE 6:48 AM CHST SUNSET 6:15 PM CHST  
JANUARY 20 2025.......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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