739  
CDGM40 PGUM 180627  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
427 PM CHST SUN JUN 18 2023  
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JUNE 18 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1945 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 87 12:20 PM 93 1966 89 -2 88  
1993  
MINIMUM 77 1:09 AM 72 1967 78 -1 75  
AVERAGE 82 83 -1 82  
 
PRECIPITATION (IN)  
TODAY 0.10 0.93 1996 0.20 -0.10 0.08  
MONTH TO DATE 7.34 3.44 3.90 1.79  
SINCE JUN 1 7.34 3.44 3.90 1.79  
SINCE JAN 1 68.66 23.65 45.01 18.28  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE JUN 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 JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 17 18 -1 17  
MONTH TO DATE 304 324 -20 327  
SINCE JUN 1 304 324 -20 327  
SINCE JAN 1 2725 2799 -74 2809    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 9.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 1:00 AM  
LOWEST 56 1:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 93 1969  
MINIMUM TEMPERATURE (F) 78 73 1967  
1972  
 
SUNRISE AND SUNSET  
JUNE 18 2023..........SUNRISE 5:54 AM CHST SUNSET 6:49 PM CHST  
JUNE 19 2023..........SUNRISE 5:54 AM CHST SUNSET 6:50 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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