949  
CDGM40 PGUM 021610  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
210 AM CHST THU JUL 03 2025  
   
...............................  
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JULY 2 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 88 1:06 PM 94 1969 88 0 87  
MINIMUM 77 4:39 AM 71 1994 78 -1 78  
AVERAGE 83 83 0 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.20 1947 0.31 -0.31 0.15  
MONTH TO DATE 0.03 0.61 -0.58 0.86  
SINCE JUN 1 13.53 7.12 6.41 8.86  
SINCE JAN 1 29.26 27.33 1.93 25.73  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 18 18 0 18  
MONTH TO DATE 35 36 -1 35  
SINCE JUN 1 544 588 -44 566  
SINCE JAN 1 3108 3100 8 3047    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SE (150)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 5.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 12:00 AM  
LOWEST 65 1:00 PM  
AVERAGE 78  
   
......................................................  
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 93 2013  
MINIMUM TEMPERATURE (F) 78 71 1967  
 
SUNRISE AND SUNSET  
JULY 3 2025..........SUNRISE 5:58 AM CHST SUNSET 6:52 PM CHST  
JULY 4 2025..........SUNRISE 5:58 AM CHST SUNSET 6:52 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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