042  
CDGM40 PGUM 151614  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
214 AM CHST WED APR 16 2025  
   
...............................  
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR APRIL 15 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 87 12:28 PM 91 1984 88 -1 88  
1985  
2020  
MINIMUM 77 4:56 AM 73 1951 77 0 74  
2012  
AVERAGE 82 82 0 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.13 1.76 2018 0.13 0.00 T  
MONTH TO DATE 0.85 1.59 -0.74 1.13  
SINCE MAR 1 3.93 4.36 -0.43 2.75  
SINCE JAN 1 12.19 13.85 -1.66 7.01  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE MAR 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 MAR 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 17 18 -1 16  
MONTH TO DATE 255 257 -2 258  
SINCE MAR 1 764 761 3 748  
SINCE JAN 1 1724 1680 44 1657    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 12.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 4:00 AM  
LOWEST 68 1:00 PM  
AVERAGE 79  
   
......................................................  
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 95 1971  
MINIMUM TEMPERATURE (F) 77 72 1967  
 
SUNRISE AND SUNSET  
APRIL 16 2025.........SUNRISE 6:07 AM CHST SUNSET 6:34 PM CHST  
APRIL 17 2025.........SUNRISE 6:07 AM CHST SUNSET 6:34 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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